A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India

Barilius imphalensis sp. n. is described from the Imphal River, a main head-water tributary of Chindwin River basin in Manipur, a hill grit state of North-Eastern India. It is distinguished from all its congeners in having the following combination of characters: absence of barbels, presence of tube...

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Date:2025
Main Authors: Arunkumar, L., Thoibi, M.
Format: Article
Language:English
Published: Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine 2025
Online Access:https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/667
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Journal Zoodiversity
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author Arunkumar, L.
Thoibi, M.
author_facet Arunkumar, L.
Thoibi, M.
author_sort Arunkumar, L.
baseUrl_str
collection OJS
datestamp_date 2025-06-27T09:02:55Z
description Barilius imphalensis sp. n. is described from the Imphal River, a main head-water tributary of Chindwin River basin in Manipur, a hill grit state of North-Eastern India. It is distinguished from all its congeners in having the following combination of characters: absence of barbels, presence of tubercles on the tip of snout, presence of dentary tubercles, presence of complete lateral lines with 41 scales, pre-dorsal scales 18, head depth at supra-occipital 20.2–23.4 % SL, body depth at dorsal fin origin 25.0–28.1 % SL, pre-anal length 65.1–68.5 % SL, height of dorsal fin 22.9–24.8 % SL, height of anal fin 26.1–28.9 % SL, eye diameter 6.3–6.9 % SL and 26.2–26.8 % HL, inter-orbital width 32.3–38.5 % HL and short blue vertical bars along the body 15–17. Key to species of the genus Barilius of the north-eastern India and their distribution pattern in the six different river drainage systems are provided.
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spelling zoodiv-article-6672025-06-27T09:02:55Z A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India Arunkumar, L. Thoibi, M. new species Chindwin Basin fish fauna Manipur state morpho-taxonomy Barilius imphalensis sp. n. is described from the Imphal River, a main head-water tributary of Chindwin River basin in Manipur, a hill grit state of North-Eastern India. It is distinguished from all its congeners in having the following combination of characters: absence of barbels, presence of tubercles on the tip of snout, presence of dentary tubercles, presence of complete lateral lines with 41 scales, pre-dorsal scales 18, head depth at supra-occipital 20.2–23.4 % SL, body depth at dorsal fin origin 25.0–28.1 % SL, pre-anal length 65.1–68.5 % SL, height of dorsal fin 22.9–24.8 % SL, height of anal fin 26.1–28.9 % SL, eye diameter 6.3–6.9 % SL and 26.2–26.8 % HL, inter-orbital width 32.3–38.5 % HL and short blue vertical bars along the body 15–17. Key to species of the genus Barilius of the north-eastern India and their distribution pattern in the six different river drainage systems are provided. Publishing House "Akademperiodyka" of the National Academy of Sciences of Ukraine 2025-05-20 Article Article application/pdf https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/667 10.15407/zoo2025.03.197 Zoodiversity; Vol. 59 No. 3 (2025): Zoodiversity Zoodiversity (Vestnik Zoologii); Том 59 № 3 (2025): Zoodiversity 2707-7268 2707-725X 10.15407/zoo2025.03 en https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/667/322 Copyright (c) 2024 Thoibi Mayanglambam, Arunkumar Laifrakpam
spellingShingle Arunkumar, L.
Thoibi, M.
A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India
title A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India
title_full A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India
title_fullStr A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India
title_full_unstemmed A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India
title_short A New Species of Danioid Fish (Danionidae, Chedrinae) from Imphal River, North-Eastern India
title_sort new species of danioid fish (danionidae, chedrinae) from imphal river, north-eastern india
topic_facet new species
Chindwin Basin
fish fauna
Manipur state
morpho-taxonomy
url https://ojs.akademperiodyka.org.ua/index.php/Zoodiversity/article/view/667
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