{"id":"https://openalex.org/W7204228843","doi":"https://doi.org/10.11609/jott.10279.18.8.29447-29458","title":"Fish diversity and conservation status across habitat guilds in the river Rupnarayan, West Bengal, India","display_name":"Fish diversity and conservation status across habitat guilds in the river Rupnarayan, West Bengal, India","publication_year":2026,"publication_date":"2026-08-26","ids":{"openalex":"https://openalex.org/W7204228843","doi":"https://doi.org/10.11609/jott.10279.18.8.29447-29458"},"language":"en","primary_location":{"id":"doi:10.11609/jott.10279.18.8.29447-29458","doi":"https://doi.org/10.11609/jott.10279.18.8.29447-29458","is_oa":true,"landing_page_url":"https://doi.org/10.11609/jott.10279.18.8.29447-29458","pdf_url":"https://threatenedtaxa.org/index.php/JoTT/article/download/10279/10954","source":{"id":"https://openalex.org/S2764419951","display_name":"Journal of Threatened Taxa","issn_l":"0974-7893","issn":["0974-7893","0974-7907"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","oarl","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318666","host_organization_name":"Wildlife Information Liaison Development Society","host_organization_lineage":["https://openalex.org/P4310318666"],"host_organization_lineage_names":["Wildlife Information Liaison Development Society"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Threatened Taxa","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://threatenedtaxa.org/index.php/JoTT/article/download/10279/10954","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111642731","display_name":"M. Kar","orcid":"https://orcid.org/0009-0008-9280-2022","observed_orcids":["https://orcid.org/0009-0008-9280-2022"]},"institutions":[{"id":"https://openalex.org/I1329578906","display_name":"WWF-India","ror":"https://ror.org/05w21fm10","country_code":"IN","type":"nonprofit","lineage":["https://openalex.org/I1329578906"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Mridul Kanti Kar","raw_affiliation_strings":["WWF-India, Sundarbans Delta Programme, 1641, Madurdah, Hossainpur, Kolkata, West Bengal 700107, India"],"raw_orcid":"https://orcid.org/0009-0008-9280-2022","affiliations":[{"raw_affiliation_string":"WWF-India, Sundarbans Delta Programme, 1641, Madurdah, Hossainpur, Kolkata, West Bengal 700107, India","institution_ids":["https://openalex.org/I1329578906"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046721387","display_name":"Mohd Shahnawaz Khan","orcid":"https://orcid.org/0000-0002-4467-3763","observed_orcids":["https://orcid.org/0000-0002-4467-3763"]},"institutions":[{"id":"https://openalex.org/I1329578906","display_name":"WWF-India","ror":"https://ror.org/05w21fm10","country_code":"IN","type":"nonprofit","lineage":["https://openalex.org/I1329578906"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Mohd Shahnawaz Khan","raw_affiliation_strings":["WWF-India, Sundarbans Delta Programme, 1641, Madurdah, Hossainpur, Kolkata, West Bengal 700107, India"],"raw_orcid":"https://orcid.org/0000-0002-4467-3763","affiliations":[{"raw_affiliation_string":"WWF-India, Sundarbans Delta Programme, 1641, Madurdah, Hossainpur, Kolkata, West Bengal 700107, India","institution_ids":["https://openalex.org/I1329578906"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047657622","display_name":"Anamitra Anurag Danda","orcid":"https://orcid.org/0000-0002-1184-5266","observed_orcids":["https://orcid.org/0000-0002-1184-5266"]},"institutions":[{"id":"https://openalex.org/I1329578906","display_name":"WWF-India","ror":"https://ror.org/05w21fm10","country_code":"IN","type":"nonprofit","lineage":["https://openalex.org/I1329578906"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Anamitra Anurag Danda","raw_affiliation_strings":["WWF-India, Sundarbans Delta Programme, 1641, Madurdah, Hossainpur, Kolkata, West Bengal 700107, India"],"raw_orcid":"https://orcid.org/0000-0002-1184-5266","affiliations":[{"raw_affiliation_string":"WWF-India, Sundarbans Delta Programme, 1641, Madurdah, Hossainpur, Kolkata, West Bengal 700107, India","institution_ids":["https://openalex.org/I1329578906"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056375869","display_name":"Kripal Datt Joshi","orcid":"https://orcid.org/0000-0002-9358-7853","observed_orcids":["https://orcid.org/0000-0002-9358-7853"]},"institutions":[{"id":"https://openalex.org/I179420787","display_name":"Indian Council of Agricultural Research","ror":"https://ror.org/04fw54a43","country_code":"IN","type":"government","lineage":["https://openalex.org/I179420787"]},{"id":"https://openalex.org/I4210136827","display_name":"Central Inland Fisheries Research Institute","ror":"https://ror.org/04gtdp803","country_code":"IN","type":"facility","lineage":["https://openalex.org/I179420787","https://openalex.org/I4210136827"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kripal Datt Joshi","raw_affiliation_strings":["ICAR-CIFRI, 24, Panna Lal Rd, Darbhanga Colony, George Town, Prayagraj, Uttar Pradesh 211002, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ICAR-CIFRI, 24, Panna Lal Rd, Darbhanga Colony, George Town, Prayagraj, Uttar Pradesh 211002, India","institution_ids":["https://openalex.org/I179420787","https://openalex.org/I4210136827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":600,"currency":"USD","value_usd":600},"apc_paid":{"value":600,"currency":"USD","value_usd":600},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":"8","first_page":"29447","last_page":"29458"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10302","display_name":"Fish Ecology and Management Studies","score":0.5971999764442444,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10302","display_name":"Fish Ecology and Management Studies","score":0.5971999764442444,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12319","display_name":"Fish Biology and Ecology Studies","score":0.3698999881744385,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12014","display_name":"Fish biology, ecology, and behavior","score":0.024800000712275505,"subfield":{"id":"https://openalex.org/subfields/2309","display_name":"Nature and Landscape Conservation"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/rupnarayan-river","display_name":"Rupnarayan River","score":0.8740000128746033},{"id":"https://openalex.org/keywords/ichthyofauna","display_name":"ichthyofauna","score":0.9020000100135803},{"id":"https://openalex.org/keywords/fish-diversity","display_name":"fish diversity","score":0.8970000147819519},{"id":"https://openalex.org/keywords/conservation-status","display_name":"conservation status","score":0.7419999837875366},{"id":"https://openalex.org/keywords/habitat-guilds","display_name":"habitat guilds","score":0.8809999823570251},{"id":"https://openalex.org/keywords/salinity-gradient","display_name":"salinity gradient","score":0.6759999990463257},{"id":"https://openalex.org/keywords/brackish-estuary","display_name":"brackish estuary","score":0.8500000238418579},{"id":"https://openalex.org/keywords/euryhaline-species","display_name":"euryhaline species","score":0.7149999737739563},{"id":"https://openalex.org/keywords/migratory-fish","display_name":"migratory fish","score":0.796999990940094},{"id":"https://openalex.org/keywords/tenualosa-ilisha","display_name":"Tenualosa ilisha","score":0.9290000200271606},{"id":"https://openalex.org/keywords/tenualosa-toli","display_name":"Tenualosa toli","score":0.9779999852180481},{"id":"https://openalex.org/keywords/anguilla-bengalensis","display_name":"Anguilla bengalensis","score":0.9990000128746033},{"id":"https://openalex.org/keywords/invasive-species","display_name":"invasive species","score":0.6129999756813049},{"id":"https://openalex.org/keywords/cyprinidae","display_name":"Cyprinidae","score":0.7850000262260437},{"id":"https://openalex.org/keywords/bagridae","display_name":"Bagridae","score":0.996999979019165},{"id":"https://openalex.org/keywords/iucn-red-list","display_name":"IUCN Red List","score":0.7260000109672546},{"id":"https://openalex.org/keywords/fish-community-composition","display_name":"fish community composition","score":0.42800000309944153},{"id":"https://openalex.org/keywords/mosquito-predation","display_name":"mosquito predation","score":0.515999972820282},{"id":"https://openalex.org/keywords/floodplain-habitats","display_name":"floodplain habitats","score":0.40700000524520874}],"concepts":[{"id":"https://openalex.org/C117773394","wikidata":"https://www.wikidata.org/wiki/Q852569","display_name":"Fish migration","level":3,"score":0.6248999834060669},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.5735999941825867},{"id":"https://openalex.org/C185933670","wikidata":"https://www.wikidata.org/wiki/Q52105","display_name":"Habitat","level":2,"score":0.5576000213623047},{"id":"https://openalex.org/C505870484","wikidata":"https://www.wikidata.org/wiki/Q180538","display_name":"Fishery","level":1,"score":0.5550000071525574},{"id":"https://openalex.org/C155681218","wikidata":"https://www.wikidata.org/wiki/Q193110","display_name":"Floodplain","level":2,"score":0.46149998903274536},{"id":"https://openalex.org/C16828302","wikidata":"https://www.wikidata.org/wiki/Q159675","display_name":"Tributary","level":2,"score":0.45399999618530273},{"id":"https://openalex.org/C88160329","wikidata":"https://www.wikidata.org/wiki/Q47053","display_name":"Estuary","level":2,"score":0.4372999966144562},{"id":"https://openalex.org/C76854278","wikidata":"https://www.wikidata.org/wiki/Q2630188","display_name":"Euryhaline","level":3,"score":0.4106999933719635},{"id":"https://openalex.org/C24518262","wikidata":"https://www.wikidata.org/wiki/Q16197023","display_name":"Threatened species","level":3,"score":0.40779998898506165},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.40149998664855957},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.4009999930858612},{"id":"https://openalex.org/C2780737616","wikidata":"https://www.wikidata.org/wiki/Q82673","display_name":"Conservation status","level":3,"score":0.39959999918937683},{"id":"https://openalex.org/C62648534","wikidata":"https://www.wikidata.org/wiki/Q706937","display_name":"Species diversity","level":2,"score":0.39160001277923584},{"id":"https://openalex.org/C514101110","wikidata":"https://www.wikidata.org/wiki/Q14373","display_name":"Fishing","level":2,"score":0.3882000148296356},{"id":"https://openalex.org/C118178180","wikidata":"https://www.wikidata.org/wiki/Q105533","display_name":"Brackish water","level":3,"score":0.3783999979496002},{"id":"https://openalex.org/C43827410","wikidata":"https://www.wikidata.org/wiki/Q32059","display_name":"IUCN Red List","level":2,"score":0.3601999878883362},{"id":"https://openalex.org/C2780040469","wikidata":"https://www.wikidata.org/wiki/Q5051704","display_name":"Catch per unit effort","level":3,"score":0.3546000123023987},{"id":"https://openalex.org/C152613627","wikidata":"https://www.wikidata.org/wiki/Q3050262","display_name":"Overexploitation","level":2,"score":0.35409998893737793},{"id":"https://openalex.org/C64229544","wikidata":"https://www.wikidata.org/wiki/Q552431","display_name":"Habitat destruction","level":3,"score":0.32989999651908875},{"id":"https://openalex.org/C173651095","wikidata":"https://www.wikidata.org/wiki/Q1065449","display_name":"Introduced species","level":2,"score":0.32030001282691956},{"id":"https://openalex.org/C77077793","wikidata":"https://www.wikidata.org/wiki/Q336019","display_name":"Abundance (ecology)","level":2,"score":0.3075000047683716},{"id":"https://openalex.org/C2778044827","wikidata":"https://www.wikidata.org/wiki/Q1420208","display_name":"Piscivore","level":4,"score":0.30379998683929443},{"id":"https://openalex.org/C179345059","wikidata":"https://www.wikidata.org/wiki/Q11394","display_name":"Endangered species","level":3,"score":0.28130000829696655},{"id":"https://openalex.org/C2910806137","wikidata":"https://www.wikidata.org/wiki/Q1939069","display_name":"Gizzard shad","level":3,"score":0.2806999981403351},{"id":"https://openalex.org/C13474642","wikidata":"https://www.wikidata.org/wiki/Q43806","display_name":"Invertebrate","level":2,"score":0.2653000056743622},{"id":"https://openalex.org/C125471540","wikidata":"https://www.wikidata.org/wiki/Q104021","display_name":"Fauna","level":2,"score":0.2639999985694885},{"id":"https://openalex.org/C2775851391","wikidata":"https://www.wikidata.org/wiki/Q7070230","display_name":"Nursery habitat","level":3,"score":0.2630000114440918},{"id":"https://openalex.org/C188382862","wikidata":"https://www.wikidata.org/wiki/Q170430","display_name":"Predation","level":2,"score":0.26260000467300415},{"id":"https://openalex.org/C30968088","wikidata":"https://www.wikidata.org/wiki/Q1230601","display_name":"Diversity index","level":3,"score":0.25529998540878296}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.11609/jott.10279.18.8.29447-29458","doi":"https://doi.org/10.11609/jott.10279.18.8.29447-29458","is_oa":true,"landing_page_url":"https://doi.org/10.11609/jott.10279.18.8.29447-29458","pdf_url":"https://threatenedtaxa.org/index.php/JoTT/article/download/10279/10954","source":{"id":"https://openalex.org/S2764419951","display_name":"Journal of Threatened Taxa","issn_l":"0974-7893","issn":["0974-7893","0974-7907"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","oarl","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318666","host_organization_name":"Wildlife Information Liaison Development Society","host_organization_lineage":["https://openalex.org/P4310318666"],"host_organization_lineage_names":["Wildlife Information Liaison Development Society"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Threatened Taxa","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.11609/jott.10279.18.8.29447-29458","doi":"https://doi.org/10.11609/jott.10279.18.8.29447-29458","is_oa":true,"landing_page_url":"https://doi.org/10.11609/jott.10279.18.8.29447-29458","pdf_url":"https://threatenedtaxa.org/index.php/JoTT/article/download/10279/10954","source":{"id":"https://openalex.org/S2764419951","display_name":"Journal of Threatened Taxa","issn_l":"0974-7893","issn":["0974-7893","0974-7907"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","oarl","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318666","host_organization_name":"Wildlife Information Liaison Development Society","host_organization_lineage":["https://openalex.org/P4310318666"],"host_organization_lineage_names":["Wildlife Information Liaison Development Society"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Threatened Taxa","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7204228843.pdf","grobid_xml":"https://content.openalex.org/works/W7204228843.grobid-xml"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W1507664197","https://openalex.org/W1540605910","https://openalex.org/W2002073094","https://openalex.org/W2018633314","https://openalex.org/W2035264891","https://openalex.org/W2095900885","https://openalex.org/W2099048833","https://openalex.org/W2177223549","https://openalex.org/W2323811611","https://openalex.org/W4236637214","https://openalex.org/W4283325743","https://openalex.org/W4298077098","https://openalex.org/W4385334970","https://openalex.org/W4391759304","https://openalex.org/W4406062165","https://openalex.org/W4408882841"],"related_works":["https://openalex.org/W4409870126","https://openalex.org/W7141116240","https://openalex.org/W7146985539","https://openalex.org/W3208189159","https://openalex.org/W7212160694","https://openalex.org/W7167707073","https://openalex.org/W4378550267","https://openalex.org/W4412178912","https://openalex.org/W2035942898","https://openalex.org/W4411006744"],"abstract_inverted_index":{"The":[0,33,88,110,127,234],"Rupnarayan":[1,283],"River,":[2],"a":[3,30,37,42],"major":[4],"tributary":[5],"of":[6,60,236,278],"the":[7,84,99,119,137,149,198,243,276,282],"Hugli":[8],"in":[9,106],"West":[10],"Bengal,":[11],"extends":[12],"approximately":[13],"75":[14],"km":[15],"and":[16,20,29,54,77,81,115,124,143,148,162,193,239,253,266,275],"exhibits":[17],"distinct":[18],"hydrological":[19],"morphological":[21],"characteristics,":[22],"including":[23,136,173],"tidal":[24],"influence,":[25],"dynamic":[26],"salinity":[27,122],"gradients,":[28],"meandering":[31],"channel.":[32],"river":[34,128],"transitions":[35],"from":[36],"freshwater":[38],"system":[39],"upstream":[40],"to":[41,68,165,190,269],"brackish":[43],"estuarine":[44],"environment":[45],"downstream,":[46],"supporting":[47],"diverse":[48],"floodplain":[49],"habitats,":[50],"fisheries,":[51],"nutrient":[52],"cycling,":[53],"sediment":[55],"transport.":[56],"A":[57],"comprehensive":[58],"assessment":[59],"ichthyofaunal":[61],"diversity":[62,91],"recorded":[63,97,210],"55":[64],"fish":[65,107,271],"species":[66,182,211,241,254],"belonging":[67],"31":[69],"families,":[70],"based":[71],"on":[72,170,281],"field":[73],"surveys,":[74],"fishers\u2019":[75],"interviews,":[76],"secondary":[78],"literature.":[79],"Cyprinidae":[80],"Bagridae":[82],"were":[83,212,219],"most":[85,209],"species-rich":[86],"families.":[87],"highest":[89],"Shannon":[90],"index":[92],"(H\u2032":[93],"=":[94],"3.28)":[95],"was":[96],"at":[98],"Denan":[100],"canal":[101],"confluence,":[102],"indicating":[103],"spatial":[104,185],"variation":[105],"community":[108],"composition.":[109],"assemblage":[111],"included":[112],"freshwater,":[113],"brackish,":[114],"euryhaline":[116],"species,":[117,158],"reflecting":[118],"river\u2019s":[120],"transitional":[121],"regime":[123],"ecological":[125,273],"connectivity.":[126],"also":[129],"provides":[130],"important":[131,260],"habitat":[132],"for":[133,262],"migratory":[134],"fishes,":[135],"anadromous":[138],"Hilsa":[139],"Shad":[140,145],"Tenualosa":[141,146],"ilisha":[142],"Toli":[144],"toli,":[147],"catadromous":[150],"Indian":[151],"Mottled":[152],"Eel":[153],"Anguilla":[154],"bengalensis.":[155],"Several":[156],"native":[157],"such":[159],"as":[160,214,221],"catfishes":[161],"snakeheads,":[163],"contribute":[164],"ecosystem":[166],"regulation":[167],"by":[168],"preying":[169],"insect":[171],"larvae,":[172],"mosquitoes,":[174],"thereby":[175],"offering":[176],"natural":[177],"pest":[178],"control":[179],"services.":[180],"Fish":[181],"showed":[183],"varied":[184],"distributions,":[186],"with":[187,248],"some":[188],"restricted":[189],"specific":[191],"microhabitats":[192],"others":[194],"widely":[195],"distributed":[196],"throughout":[197],"river.":[199],"Assessment":[200],"against":[201],"IUCN":[202],"Red":[203],"List":[204],"categories":[205],"indicated":[206],"that":[207],"while":[208],"classified":[213],"Least":[215],"Concern":[216],"(LC),":[217],"several":[218],"categorised":[220],"Near":[222],"Threatened":[223],"(NT),":[224],"Vulnerable":[225],"(VU),":[226],"Data":[227],"Deficient":[228],"(DD),":[229],"or":[230],"Not":[231],"Evaluated":[232],"(NE).":[233],"co-occurrence":[235],"native,":[237],"migratory,":[238],"exotic":[240],"highlights":[242],"complex":[244],"conservation":[245,265],"challenges":[246],"associated":[247],"environmental":[249],"change,":[250],"fishing":[251],"pressure,":[252],"introductions.":[255],"These":[256],"findings":[257],"provide":[258],"an":[259],"baseline":[261],"developing":[263],"evidence-based":[264],"management":[267],"strategies":[268],"maintain":[270],"diversity,":[272],"integrity,":[274],"livelihoods":[277],"communities":[279],"dependent":[280],"River.":[284]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-08-27T00:00:00"}
