{"title":"Discovery of a New Glyptosternine Catfish Creteuchiloglanis nuthemuensis (Siluriformes: Sisoridae) from the Duphlokho River, Arunachal Pradesh, India","authors":"Uttam Kumar Sarkar, Diamond Rajakumar Tenali, Rejani Chandran, Rajeev Kumar Singh","doi":"10.1134/s2079086424020099","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>In the present communication a new glyptosternine catfish <i>Creteuchiloglanis nuthemuensis</i>, is described from the Duphlokho River in West Kameng district, Arunachal Pradesh, India, which is a headwater of the Kameng River in the Brahmaputra basin. The new species is eminent from all closely related species of the genus by a distinct combination of the subsequent characteristics: presence of long pectoral fin extending over the pelvic fin origin and its reaching posterior end of dorsal fin base, body depth at anus 12–15.8% SL, predorsal length 34.5–35.9% SL, pelvic fin length 16–19.8% SL, adipose fin base length 28.3–33.3% SL, caudal peduncle depth 6.6–7.6% SL, absence of pinnate-like rays on the first branching ray’s anterior margin and second simple ray of anal fin, head depth 9.9–11.3% SL, and eye diameter 5.3–7.5% HL. This is the sixth <i>Creteuchiloglanis</i> species described from the Brahmaputra River basin.</p>","PeriodicalId":9047,"journal":{"name":"Biology Bulletin Reviews","volume":"2 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biology Bulletin Reviews","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1134/s2079086424020099","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In the present communication a new glyptosternine catfish Creteuchiloglanis nuthemuensis, is described from the Duphlokho River in West Kameng district, Arunachal Pradesh, India, which is a headwater of the Kameng River in the Brahmaputra basin. The new species is eminent from all closely related species of the genus by a distinct combination of the subsequent characteristics: presence of long pectoral fin extending over the pelvic fin origin and its reaching posterior end of dorsal fin base, body depth at anus 12–15.8% SL, predorsal length 34.5–35.9% SL, pelvic fin length 16–19.8% SL, adipose fin base length 28.3–33.3% SL, caudal peduncle depth 6.6–7.6% SL, absence of pinnate-like rays on the first branching ray’s anterior margin and second simple ray of anal fin, head depth 9.9–11.3% SL, and eye diameter 5.3–7.5% HL. This is the sixth Creteuchiloglanis species described from the Brahmaputra River basin.
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