- Working as an Asst. Professor of Zoology, published 61 research papers 13 reference book and 6 book chapter on fishery sciences.edit
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Present study reveals the existence of three species under genus Salmostoma of family Cyprinidae from the study area. These three species are very closely related and sometime confusing to the fishers as well as fishery researchers. Main... more
Present study reveals the existence of three species under genus Salmostoma of family Cyprinidae from the study area. These three species are very closely related and sometime confusing to the fishers as well as fishery researchers. Main objective of the present study is the identification of these three species systematically to separate them through morphometric analysis of characters in comparison to each other. During study it has been observed that the distinguishing features of body colour, shape of lateral line and shape of face as well as the long silvery stripe on lateral side of the S. phulo is the feature to separate these three closely related species.
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Ornamental fishes are very sweet in their colour, peculiar and playful behaviour for which they are called ‘living jewels’. At present ornamental fish industry is growing rapidly. India has a good resource of natural ornamental fishes.... more
Ornamental fishes are very sweet in their colour, peculiar and playful behaviour for which they are called ‘living jewels’. At present ornamental fish industry is growing rapidly. India has a good resource of natural ornamental fishes. West Bengal is also a wide repository of indigenous ornamental freshwater as well as marine water fish resources having both commercial as well as biological important. Paschim Medinipur is a districts where there is no marine zone. Therefore, it represents only it’s freshwater indigenous fish resources. In the present study, different rivers and water bodies of Paschim Medinipur have been surveyed thoroughly for natural indigenous ornamental fish diversity. A total number of 48 indigenous ornamental freshwater species belonging to 32 genera, 18 families and 7 order were collected and identified according to the existing literature, during the survey period. Among all the collected specimens family Cyprinidae shows maximum number of species followed b...
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The socioeconomic status of the inhabitants in the Digha Coastal region is heavily reliant on marine fishing, which is one of the most important livelihood possibilities for residents of Digha coastal belt. The present study was conducted... more
The socioeconomic status of the inhabitants in the Digha Coastal region is heavily reliant on marine fishing, which is one of the most important livelihood possibilities for residents of Digha coastal belt. The present study was conducted to analyze the socioeconomic situations of the Fishermen Community of Digha Coast. The information was collected from selected villages in the Digha Coastal region. A random sample of 430 respondents was analyzed. The survey method of questionnaire was employed to determine the socioeconomic situation of the Fishermen community. In this study, percentage analysis and cross tabulation were used. The findings and observations are the result of the interpretations made during the investigation. The result depicts that the out of 90 families (30%) are in above poverty line and the remaining are below the poverty line as per guide line of FAO. The current study will help to develop new economic opportunities and increase the resource base of coastal poor people.
Conventional Hybrid Power Quality Conditioner (HPQC) adopts LC coupling branch and L coupling branch in the back-to-back converters to reduce the converter compensation capacity as well as the DC voltage. However, HPQC could only achieve... more
Conventional Hybrid Power Quality Conditioner (HPQC) adopts LC coupling branch and L coupling branch in the back-to-back converters to reduce the converter compensation capacity as well as the DC voltage. However, HPQC could only achieve the minimum compensation capacity under certain special load condition. To maintain the converter compensation capacity at a low level under all load conditions, an Improved Hybrid Power Quality Conditioner (IHPQC) is proposed in this paper. The conventional fixed coupling branches are replaced by thyristor switch branches to adjust the branch impedance dynamically. The compensation principle of conventional HPQC is firstly introduced and the defect of HPQC when compensate varying locomotive load is analyzed. And then the compensation principle of proposed IHPQC is proposed. At last, simulation and experiment results verified that the IHPQC could reduce the converter compensation capacity effectively.
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The objective of the present study is the comparative revision of inland freshwater fish faunal diversity between West Bengal and Odisha, two states of middle-east India. Work is mainly based on the available published literature on the... more
The objective of the present study is the comparative revision of inland freshwater fish faunal diversity between West Bengal and Odisha, two states of middle-east India. Work is mainly based on the available published literature on the freshwater fish faunal diversity, checklist for fish, monograph of the area under study. Result reveals the existence of 345 species of fish belonging to 50 families under 14 orders. Analysis of data shows a slight similarity of freshwater fish faunal diversity between two states is quite expected because both the states differ in their physiography and ecology. The present report may serve as a helpful document for freshwater aquaculturists as well as fishery researchers for their future planning of research work on the subject of the study area
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Genus Metapenaeopsis was created by Bouvier (1905) [1] with M. pubescens as type from Cape Verde Islands. Wood-Mason (1891) [2] was the first to record this genus from Indian water as Metapenaeus. George (1979) [3] listed 9 species under... more
Genus Metapenaeopsis was created by Bouvier (1905) [1] with M. pubescens as type from Cape Verde Islands. Wood-Mason (1891) [2] was the first to record this genus from Indian water as Metapenaeus. George (1979) [3] listed 9 species under Metapenaeopsis and 11 species under Metapenaeus from Indian coastal water. Subsequently Fischer & Bianchi (1983) [4] and Radhakrishnan et al. (2012) [5] added another species viz., Metapenaeopsis toloensis Hall, 1962 [6] and Metapenaeopsis novaeguineae (Haswell, 1879) [7] respectively to this list. In the present study Metapenaeopsis palmensis (Haswell, 1879) [7] and Metapenaeus eboracensis Dall, 1957 [8] have been recorded for the first time from India. Till now 12 species each belonging to these two genera have been reported from Indian water.
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Background: There is no previous published record regarding different fish species found in fish markets of Kharagpur town. The place is internationally renowned due to first Institute of Technology of India. Due to largest railway... more
Background: There is no previous published record regarding different fish species found in fish markets of Kharagpur town. The place is internationally renowned due to first Institute of Technology of India. Due to largest railway establishment in Kharagpur town, an influx of population is always here from different states. As such their food preference and cultural practice is different. Present survey is relevant to depicts fish preference of the town dwellers and socio-economic status of market associated people. Methods: The study have been conducted from November 2018 to January 2020 thoroughly from 13 fish markets of Kharagpur town, West Bengal, India. Fish specimens collected, identified and preserved. Market related data have been collected from different agents, wholesaler etc. through questionnaire interviews. Result: During the study period it has been observed that 28 freshwater inland fish species; 6 freshwater exotic fish species; 19 marine fish species and 4 crustace...
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The present study has been conducted on ichthyofaunal diversity of river Kapaleswari flowing through Paschim Medinipur district of West Bengal, India. Results reveal the existence of 56 indigenous fish species under 22 families of 8... more
The present study has been conducted on ichthyofaunal diversity of river Kapaleswari flowing through Paschim Medinipur district of West Bengal, India. Results reveal the existence of 56 indigenous fish species under 22 families of 8 orders and the order Perciformes represents the largest diversity with 8 families and 20 species. Cyprinidae is the most dominant family; contributed 26.79% species. Two species namely Stigmatogobius sadanundio & Gobiopsis macrostoma have been first time recorded from Paschim Medinipur district of West Bengal. Among the recorded fish species of Kapaleswari River, 47.07% were used as food-fish, 1.79% used as ornamental & the remaining 57.14% were used as both food and ornamental. So, maximum fish species have important socio-economic value for the development of local people proximate to the Kapaleswari River. The values of the Shannon-Weaver index (H) range from ‘3.58’ to ‘3.79’ & the Simpson’s index (D) from ‘0.023’ to ‘0.032’ among the sampling sites a...
Research Interests: Surya and flora fauna
The present study has been conducted on ichthyofaunal diversity of river Kapaleswari flowing through Paschim Medinipur district of West Bengal, India. Results reveal the existence of 56 indigenous fish species under 22 families of 8... more
The present study has been conducted on ichthyofaunal diversity of river Kapaleswari flowing through Paschim Medinipur district of West Bengal, India. Results reveal the existence of 56 indigenous fish species under 22 families of 8 orders and the order Perciformes represents the largest diversity with 8 families and 20 species. Cyprinidae is the most dominant family; contributed 26.79% species. Two species namely Stigmatogobius sadanundio & Gobiopsis macrostoma have been first time recorded from Paschim Medinipur district of West Bengal. Among the recorded fish species of Kapaleswari River, 47.07% were used as food-fish, 1.79% used as ornamental & the remaining 57.14% were used as both food and ornamental. So, maximum fish species have important socioeconomic value for the development of local people proximate to the Kapaleswari River. The values of the Shannon-Weaver index (H) range from '3.58' to '3.79' & the Simpson's index (D) from '0.023' to '0....
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The present study has been conducted on ichthyofaunal diversity of river Kapaleswari flowing through Paschim Medinipur district of West Bengal, India. Results reveal the existence of 56 indigenous fish species under 22 families of 8... more
The present study has been conducted on ichthyofaunal diversity of river Kapaleswari flowing through Paschim Medinipur district of West Bengal, India. Results reveal the existence of 56 indigenous fish species under 22 families of 8 orders and the order Perciformes represents the largest diversity with 8 families and 20 species. Cyprinidae is the most dominant family; contributed 26.79% species. Two species namely Stigmatogobius sadanundio & Gobiopsis macrostoma have been first time recorded from Paschim Medinipur district of West Bengal. Among the recorded fish species of Kapaleswari River, 47.07% were used as food-fish, 1.79% used as ornamental & the remaining 57.14% were used as both food and ornamental. So, maximum fish species have important socioeconomic value for the development of local people proximate to the Kapaleswari River. The values of the Shannon-Weaver index (H) range from '3.58' to '3.79' & the Simpson's index (D) from '0.023' to '0....
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Small indigenous freshwater fish are often an important ingredient in the diet of village people who live in the proximity of freshwater bodies. Word 'Indigenous' means the originating in and characteristic of a particular region... more
Small indigenous freshwater fish are often an important ingredient in the diet of village people who live in the proximity of freshwater bodies. Word 'Indigenous' means the originating in and characteristic of a particular region or country & native area. Paschim Medinipur is a districts having 29 blocks, among which Belda is located in Narayangarh block. This block is about 70 km North from Bay of Bengal. Therefore, it represents only it's freshwater indigenous fish resources. In the present study, different rivers and water bodies of Belda and its surroundings have been surveyed thoroughly for natural small indigenous fish diversity. A total number of 44 indigenous freshwater fish species belonging to 33 genera, 18 families and 7 order were collected and identified according to the existing literature, during the survey period. Among all the collected specimens family Cyprinidae shows maximum number of species followed by Ambassidae, Channidae, Mastacembelidae, Bagrida...
Present paper is mainly based on the field observation of the species Brachyamblyopus brachysoma Bleeker, 1854, the only Indian species which is very rare in West Bengal. Present observation is the first record from West Bengal. Authors... more
Present paper is mainly based on the field observation of the species Brachyamblyopus brachysoma Bleeker, 1854, the only Indian species which is very rare in West Bengal. Present observation is the first record from West Bengal. Authors observed a single specimen in the river Kapaleswari at Kundra (22.176̊ N, 87.668̊ E), Total length 17.5 cm. This is the highest recorded length of this species from India. Kundra is a village of Sabong Block under Paschim Medinipur District.
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Ants are the most successful arthropod fauna to study ecology of a particular region as because it can withstand even horsed environmental situation. Ants are the largest section of the insects belonging to the endopterigota group.... more
Ants are the most successful arthropod fauna to study ecology of a particular region as because it can withstand even horsed environmental situation. Ants are the largest section of the insects belonging to the endopterigota group. Present study reveals the distribution of ant fauna in forest, grassland and human habitats located around Midnapore town. The study area represents thirty four species of ants under twenty different genera has been identified. The recorded ants belonging to five subfamilies: Formicinae, Myrmicinae, Ponernae, Dolichoderinae and Pseudomyrmicinae. The most dominant genus was Crematogaster followed by Pheidole. Present study shows that the similarity index of ant species between human habitat and forest is highest. Dominent index of ant fauna in human habitat and forest ecosystem depicts that genus Crematogaster is the most adapted genus in both human habitat and forest ecosystem.
Research Interests: Entomology and Biology
Genus Metapenaeus is a largest group of penaeid prawn found in Indian water. It was M. J. George (1979) who tried to study the genus in a comprehensive manner along with other genus under family Penaeidae. In his contribution he listed 11... more
Genus Metapenaeus is a largest group of penaeid prawn found in Indian water. It was M. J. George (1979) who tried to study the genus in a comprehensive manner along with other genus under family Penaeidae. In his contribution he listed 11 species under the genus. Out of his enlisted 11 species Metapenaeus burkenroadi Kubo, 1954 is synonymised with Metapenaeus moyebi (Kishinouye, 1896) by Miquel (1982). Later on Metapenaeus elegans De Man, 1907 was recorded by Silas and Muthu (1974) from Andaman Sea; Metapenaeus intermedius (Kishinouye, 1900) recorded by Johnson (1976) also from Andaman Sea and Metapenaeus eboracensis Dall, 1957 was recently reported by Chanda (2014) from India. Though the former two are still valid species but these were not placed in the list of George (1979). As such the studied genus contain a total of 14 species in Indian water. The present study is an attempt to revise the up-to-date taxonomic status, distribution, diagnosis and key to the species found in Indi...
Present paper is an extensive survey work on indigenous freshwater fish faunal diversity of Paschim Medinapur. The result reveals that the study area represents 57 species of primary freshwater indigenous small fish species in its natural... more
Present paper is an extensive survey work on indigenous freshwater fish faunal diversity of Paschim Medinapur. The result reveals that the study area represents 57 species of primary freshwater indigenous small fish species in its natural aquatic habitat belonging to 39 different genera, 20 different families and 8 different orders. Conservational status of fish fauna are mentioned is the added criteria of the present study.
Abstract: T. minicoyensis was described by Thomas from Laccadive sea. Record of the species is very rare as it is a reef inhabiting species. Present study is mainly based on the type material preserved in the National collection of... more
Abstract: T. minicoyensis was described by Thomas from Laccadive sea. Record of the species is very rare as it is a reef inhabiting species. Present study is mainly based on the type material preserved in the National collection of Zoological Survey of India Kolkata and CMFRI-substation at Mandapam, Tamil Nadu.During the study some important diagnostic characters have been added for better diagnosis of the species. Here, characters of carapace, antennules and thelycum is added to the diagnosis of the species which the author have observed are not mentioned in the original description.
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Ants are the most successful arthropod fauna to study ecology of a particular region as because it can withstand even horsed environmental situation. Ants are the largest section of the insects belonging to the endopterigota group.... more
Ants are the most successful arthropod fauna to study ecology of a particular region as because it can withstand even horsed environmental situation. Ants are the largest section of the insects belonging to the endopterigota group. Present study reveals the distribution of ant fauna in forest, grassland and human habitats located around Midnapore town. The study area represents thirty four species of ants under twenty different genera has been identified. The recorded ants belonging to five subfamilies: Formicinae, Myrmicinae, Ponernae, Dolichoderinae and Pseudomyrmicinae. The most dominant genus was Crematogaster followed by Pheidole. Present study shows that the similarity index of ant species between human habitat and forest is highest. Dominent index of ant fauna in human habitat and forest ecosystem depicts that genus Crematogaster is the most adapted genus in both human habitat and forest ecosystem.
Research Interests: Entomology and Biology
This book is special for indigenous fish harvesting technology of Paschim Midnapur district of West Bengal, India. This book is written in memory of my respected teacher late prof. Samir Benerjee, Ex Hiralal Chowdhury Professor of... more
This book is special for indigenous fish harvesting technology of Paschim Midnapur district of West Bengal, India. This book is written in memory of my respected teacher late prof. Samir Benerjee, Ex Hiralal Chowdhury Professor of Calcutta University. The book includes both both capture and culture fishery of the said district. Hope this book will be a handy instrument for fishery students and researchers who want to initiate their career in fishery science.
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Present paper is mainly based on the field observation of the species Brachyamblyopus brachysoma Bleeker, 1854, the only Indian species which is very rare in West Bengal. Present observation is the first record from West Bengal. Authors... more
Present paper is mainly based on the field observation of the species Brachyamblyopus brachysoma Bleeker, 1854, the only Indian species which is very rare in West Bengal. Present observation is the first record from West Bengal. Authors observed a single specimen in the river Kapaleswari at Kundra (22.176̊ N, 87.668 ̊ E), Total length 17.5 cm. This is the highest recorded length of this species from India. Kundra is a village of Sabong Block under Paschim Medinipur District.
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Present study reveals the existence of six species of small, indigenous fish under five genera of family Gobiidae and suborder Gobioidei from freshwater aquatic systems of Paschim Medinipur and Jhargram District of West Bengal. Taxonomy... more
Present study reveals the existence of six species of small, indigenous fish under five genera of family Gobiidae and suborder Gobioidei from freshwater aquatic systems of Paschim Medinipur and Jhargram District of West Bengal. Taxonomy of the species as well as their geographical distribution and diversity is the prime interest of the work. A comprehensive zoogeography of the species in different revenue blocks of the districts has been recorded in details. Hence, the work is a documentation of macro faunal diversity at regional level for freshwater ecosystem of the study area which will be helpful for future researchers and policy planners.
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Genus Metapenaeus is a largest group of penaeid prawn found in Indian water. It was M. J. George (1979) who tried to study the genus in a comprehensive manner along with other genus under family Penaeidae. In his contribution he listed 11... more
Genus Metapenaeus is a largest group of penaeid prawn found in Indian water. It was M. J. George (1979) who tried to study the genus in a comprehensive manner along with other genus under family Penaeidae. In his contribution he listed 11 species under the genus. Out of his enlisted 11 species Metapenaeus burkenroadi Kubo, 1954 is synonymised with Metapenaeus moyebi (Kishinouye, 1896) by Miquel (1982). Later on Metapenaeus elegans De Man, 1907 was recorded by Silas and Muthu (1974) from Andaman Sea; Metapenaeus intermedius (Kishinouye, 1900) recorded by Johnson (1976) also from Andaman Sea and Metapenaeus eboracensis Dall, 1957 was recently reported by Chanda (2014) from India. Though the former two are still valid species but these were not placed in the list of George (1979). As such the studied genus contain a total of 14 species in Indian water. The present study is an attempt to revise the up-to-date taxonomic status, distribution, diagnosis and key to the species found in Indi...
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Rhinomugil is a monospecific genus which is commonly known as mullets with a worldwide distribution in tropical and subtropical marine water bodies. They are not only inhabited in the marine water but also available in brackish water or... more
Rhinomugil is a monospecific genus which is commonly known as mullets with a worldwide distribution in tropical and subtropical marine water bodies. They are not only inhabited in the marine water but also available in brackish water or even in freshwater riverine system. Rupnarayan river is a small range river in West Bengal covered eighty kilometers from Bandar Ghat [22.67°N, 87.77°E], Paschim Midnapore district to Gadiara [22.22°N, 88.04°E] of Howrah district. Naturally this riverine water body is divided into two regions, the upstream with less tidal activity and low saline part and the downstream with high tide and comparatively more saline region. The surveys were conducted from February 2018 to February 2020 during pre monsoon, monsoon and post monsoon period. Specimens were collected by the use of traditional fishing methods operated by the local fishermen. The collected specimens were identified on the basis of existing literature and measurement taken upto one decimal plac...
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T. minicoyensis was described by Thomas from Laccadive sea. Record of the species is very rare as it is a reef inhabiting species. Present study is mainly based on the type material preserved in the National collection of Zoological... more
T. minicoyensis was described by Thomas from Laccadive sea. Record of the species is very rare as it is a reef inhabiting species. Present study is mainly based on the type material preserved in the National collection of Zoological Survey of India Kolkata and CMFRI-substation at Mandapam, Tamil Nadu .During the study some important diagnostic characters have been added for better diagnosis of the species. Here, characters of carapace, antennules and thelycum is added to the diagnosis of the species which the author have observed are not mentioned in the original description.
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Research Interests: Open Access and Biology
Present study is an attempt to up to date the taxonomic information of prawns found in Indian water under family Penaeidae Rafinesque – Schmaltz, 1815. Species composition and their distribution in Indian water is the main part of the... more
Present study is an attempt to up to date the taxonomic information of prawns found in Indian water under family Penaeidae Rafinesque – Schmaltz, 1815. Species composition and their distribution in Indian water is the main part of the work. Family Penaeidae is represented by 25 genera of which 17 genera and 78 species has been recorded from Indian water.
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Genus Metapenaeopsis was created by Bouvier (1905) with M. pubescens as type. Burkenroad (1934) redefined the genus and relegated this genus as a subgenus of Penaeopsis Bate, 1881, on the basis of the shape of petasma. Kubo (1949),... more
Genus Metapenaeopsis was created by Bouvier (1905) with M. pubescens as type. Burkenroad (1934) redefined the genus and relegated this genus as a subgenus of Penaeopsis Bate, 1881, on the basis of the shape of petasma. Kubo (1949), however, re-elevated it to the generic status. Wood-Mason (1891) was the first to record this genus from Indian water as Metapenaeus. Present study reveals that Indian water represents a total of 12 species of the genus Metapenaeopsis Bouvier, 1905. Among these, Metapenaeopsis toloensis Hall, 1962 was previously recorded from Andaman sea. Present record is the first from coastal water of peninsular India. Metapenaeopsis stridulans Alcock, 1905 was previously recorded from east coast and up to Trivancor of west coast by Nataraj (1942) & George (1979). During present study, distribution of the species extend upto Gujarat, West coast of India.
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A survey was conducted to explore the indigenous Freshwater of undivided Paschim Medinipur District of West Bengal during May 2013 to November 2015. Mollusc as The present study results revealed that freshwater ecosystem of undivided... more
A survey was conducted to explore the indigenous Freshwater of undivided Paschim Medinipur District of West Bengal during May 2013 to November 2015. Mollusc as The present study results revealed that freshwater ecosystem of undivided Paschim Medinipur represents existence of nine species of edible mollusks under eight genera of six families and four orders. Out of these nine species four species namely Bellamya bengalensis (Lamarck,1882, Pila globosa (swainson, 1828), Lamellidens marginalis (Lamarck, 1819) and Lymnaea acuminata (Lamarck, 1822) are most abundant and found in all most all twenty nine revenue blocks of undivided Paschim Medinipur District. Present work is the first report of indigenous freshwater molluscan diversity of the study area.
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Present study is an observation of unusual behaviour of Indian rat snake, Ptyas mucosa (Linnaeus, 1758) in our house yard. All of my family members were busy to pay respect to the health personals, fighting against deadly disease caused... more
Present study is an observation of unusual behaviour of Indian rat snake, Ptyas mucosa (Linnaeus, 1758) in our house yard. All of my family members were busy to pay respect to the health personals, fighting against deadly disease caused by COVID-19 virus. The programme was announced by our respected Prime Minister Mr. Narendra Damodar Modi on 19th March, 2020 to pay respect by sounding with clapping, ringing bell, conch, “kansar” etc. on 22nd March 2020 at 5 pm (17:00 Hours) for five minutes. A loud noise was started at the said time and I observed astonishingly a rat snake is running without any aim. It is the air-pressure vibration effect of noise pollution on wild life.
In the present contribution, an attempt has been made to provide a systematic classification of freshwater fishes of Paschim Medinipur and Jhargram Districts of West Bengal along with their human use and conservation status, as far as... more
In the present contribution, an attempt has been made to provide a systematic classification of freshwater fishes of Paschim Medinipur and Jhargram Districts of West Bengal along with their human use and conservation status, as far as possible. Revision recognized 113 species of freshwater fishes (101 primary freshwater species, 12 secondary freshwater species), belonging to 12 orders, 32 families and 73 genera. Fourteen species of exotic fishes have been introduced to freshwater bodies of the Paschim Medinipur and Jhargram District. The top order with diverse species composition was Cypriniformes (45 species, 28 genera and 2 families). The most diverse family was Cyprinidae with 40 species and 25 genera. Freshwater fishes of Paschim Medinipur and Jhargram Districts revealed existence of 5 ornamental fishes, 63 food fishes and 46 were ornamental as well as food fishes. Out of the 113 freshwater fish species, 10.60% are under vulnerable or near threatened categories. Updated checklis...
Present study is an ecological interpretation between three contrasting agro-ecosystem, first one is a waste land (WL), without agricultural practice, second one is a fodder field (FF) and third one is a sugarcane field (SF). Last two... more
Present study is an ecological interpretation between three contrasting agro-ecosystem, first one is a waste land (WL), without agricultural practice, second one is a fodder field (FF) and third one is a sugarcane field (SF). Last two systems are differently treated by chemical manure and insecticides. Therefore, the microclimate of three systems is different in their soil ecological parameters. Species composition of soil Oribatid fauna in the three sites are quite different. The study reveals that WL represents 24 species, FF represents 20 species and SF represents 16 species of Oribatid mite. Sorenson Quotient of similarity shows that the similarity between WL-FF &WL-SF is slightly similar but between FF-SF shows moderately dissimilar. Present result signifies that the environmental manipulation due to agriculture practice is the cause of variation in faunal composition and variation in similarity index of Oribatid mite between three agro-ecosystems. In turn it may be concluded t...
Present work is a study on the systematics of small, indigenous fish under family Cobitidae from freshwater aquatic systems of Paschim Medinipur district of West Bengal. Taxonomy of the species found in the study area as well as their... more
Present work is a study on the systematics of small, indigenous fish under family Cobitidae from freshwater aquatic systems of Paschim Medinipur district of West Bengal. Taxonomy of the species found in the study area as well as their zoogeographical distribution and diversity is the prime interest of the work. Results reveal that the existence of two genera and three species namely Botia almorhae, Lepidocephalichthys guntea, and Lepidocephalichthys thermalis under the family Cobitidae has been recorded from the study area.
Metapenaeus brevicornis is a common penaeid prawn of Indian water which is pantropical in distribution. The species was first recorded as Penaeus brevicornis by Milne Edwards of Ganjam coast of Orissa. Alcock placed the species under... more
Metapenaeus brevicornis is a common penaeid prawn of Indian water which is pantropical in distribution. The species was first recorded as Penaeus brevicornis by Milne Edwards of Ganjam coast of Orissa. Alcock placed the species under Metapenaeus. Specimens recorded from different fish landing centres in India have 1 to 2 pairs of lateral movable spines on the telson. Whereas those from Australian water have only one pair of spine but Japanese species dose not poses any spine on telson. Since all the specimen agrees in other diagnostic features it is suggested that the number of spine on telson in Metapenaeus brevicornis is a variable character and should not be regarded as diagnostic feature for the species which is usually used by majority of penaeid taxonomist.
Present paper is an extensive survey work on indigenous freshwater fish faunal diversity of Paschim Medinapur. The result reveals that the study area represents 57 species of primary freshwater indigenous small fish species in its natural... more
Present paper is an extensive survey work on indigenous freshwater fish faunal diversity of Paschim Medinapur. The result reveals that the study area represents 57 species of primary freshwater indigenous small fish species in its natural aquatic habitat belonging to 39 different genera, 20 different families and 8 different orders. Conservational status of fish fauna are mentioned is the added criteria of the present study
Present study reveals the existence of three species of small, indigenous fish under two genera of family Mastacembelidae of order Synbranchiformes from freshwater aquatic systems of Paschim Medinipur and Jhargram district of West Bengal.... more
Present study reveals the existence of three species of small, indigenous fish under two genera of family Mastacembelidae of order Synbranchiformes from freshwater aquatic systems of Paschim Medinipur and Jhargram district of West Bengal. It is the first time study on the group from the study area. Taxonomy of the species as well as their geographical distribution and diversity is the prime interest of the work. A comprehensive zoogeography of the species in different revenue blocks of the districts has been recorded in details. Hence, the work is a documentation of macro faunal diversity at regional level for freshwater ecosystem of the study area.
Burkenroad (1934) created two subgenus of the genus Trachypenaeus Alcock, 1901 viz., Trachypenaeus (Trachypenaeus) and Trachypenaeus (Trachysalambria). These two subgenus were raised to the status of genus by Pérez Farfante and Kensley... more
Burkenroad (1934) created two subgenus of the genus Trachypenaeus Alcock, 1901 viz., Trachypenaeus (Trachypenaeus) and Trachypenaeus (Trachysalambria). These two subgenus were raised to the status of genus by Pérez Farfante and Kensley (1997). The genus Trachypenaeus, s. s. was further divided into two genus namely Megokris and Rimapenaeus by Perez-Farfante and Kensley (1997). Therefore, the original Trachypenaeus Alcock, 1901 is now divided into four established genus such as Trachypenaeus Alcock, 1901, Trachysalambria Burkenroad, 1934, Megokris, Pérez Farfante and Kensley, 1997 and Rimapenaeus, Pérez Farfante and Kensley (1997). Genus Trachysalambria Burkenroad, 1934 represents eight species throughout world. Indian water represents only two species viz., T. aspera (Alcock, 1905) and T. curvirostris (Stimpson, 1860).
The main objective of the present study is the investigation of small indigenous freshwater ornamental fish diversity of Purba Medinipur, Paschim Medinipur and Jhargram districts of West Bengal, India and emphasis has been given to their... more
The main objective of the present study is the investigation of small indigenous freshwater ornamental fish diversity of Purba Medinipur, Paschim Medinipur and Jhargram districts of West Bengal, India and emphasis has been given to their ornamental value and local abundance. Present study is restricted only on the fish species belonging to the genus Puntius. During the study, small freshwater fish species has been surveyed covering all blocks of the three districts under study. Specimens have been collected from different freshwater ecosystems like rivers, ponds, beels etc. and are preserved and identified. It has been observed that the study area represents the existence of nine species of indigenous freshwater small fishes under genus Puntius. Among the recorded nine species, two species, namely Puntius guganio (Hamilton-Buchanan, 1822) and Puntius gelius (Hamilton-Buchanan, 1822) are being found for the first time from the study site. All the nine species are potential to be rega...
Research Interests:
Glyptothorax telchitta (Hamilton-Buchanan, 1822) is a benthic hill-stream Sisoroid catfish that inhabits the mountain waters of the Indian Himalayas and in China, Tibet and the Sunda Islands. It is also a common hill stream catfish of the... more
Glyptothorax telchitta (Hamilton-Buchanan, 1822) is a benthic hill-stream Sisoroid catfish that inhabits the mountain waters of the Indian Himalayas and in China, Tibet and the Sunda Islands. It is also a common hill stream catfish of the northern region of West Bengal. The present work reveals that the species is available in the Shilabati river basin, Ghatal, Paschim Medinipur, West Bengal. Therefore, Glyptothorax telchitta (Hamilton-Buchanan, 1822) is a widely distributed hill stream species and extends to the lowland area of Paschim Medinipur district of West Bengal, India.
Research Interests: Fishery and Fish Taxonomy
Background: There is no previous published record regarding different fish species found in fish markets of Kharagpur town. The place is internationally renowned due to first Institute of Technology of India. Due to largest railway... more
Background: There is no previous published record regarding different fish species found in fish markets of Kharagpur town. The place is internationally renowned due to first Institute of Technology of India. Due to largest railway establishment in Kharagpur town, an influx of population is always here from different states. As such their food preference and cultural practice is different. Present survey is relevant to depicts fish preference of the town dwellers and socioeconomic status of market associated people. Methods: The study have been conducted from November 2018 to January 2020 thoroughly from 13 fish markets of Kharagpur town, West Bengal, India. Fish specimens collected, identified and preserved. Market related data have been collected from different agents, wholesaler etc. through questionnaire interviews. Result: During the study period it has been observed that 28 freshwater inland fish species; 6 freshwater exotic fish species; 19 marine fish species and 4 crustacean species are available in the Kharagpur town. Some marine molluscs like Loligo sp and Sepia sp are also sold here. There are different peoples, those belong from different districts of West Bengal and involved in fish marketing activities. Therefore, a marketing chain is being established which is interdependent to each other with a socioeconomic framework. Some measures have been highlighted towards improvement of infrastructure, hygienic conditions.