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| Amblyceps crassioris Vijayakrishnan & Jayasimhan, 2023 DOI: 10.1111/jfb.15599 |
Abstract
Amblyceps crassioris, a new species of amblycipitid catfish, is described from the Mahanadi River basin in Odisha, India. The new species can be distinguished from its congeners in having a combination of the following characters: a deeply forked caudal fin, centrally projecting hooks on proximal lepidotrichia of median caudal-fin rays absent, jaws equal in length, lateral line absent, body depth at anus 15.1%–19.5% standard length (SL), caudal peduncle depth 13.0%–18.3% SL, adipose-fin base length 21.1%–27.1% SL, eye diameter 7.35%–14.1% head length and 38 total vertebrae.
Keywords: biogeography, cryptic diversity, Eastern Ghats, Mahanadi River, Sisoroidea
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| Cleared and stained caudal fin of Amblyceps sp. (a) Amblyceps crassioris, paratype, showing absence of centrally projecting hooks (b) Amblyceps tenuisipinis showing poorly formed centrally projecting hooks and (c) Amblyceps arunachalense (Photo Credit : Achom Darshan) showing well-developed hooks on the proximal lepidotrichia of median caudal-fin rays. |
Amblyceps crassioris, a new species
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| Amblyceps crassioris habitat photo by Abhisek Mishra |
Balaji Vijayakrishnan and Praveenraj Jayasimhan. 2023. Amblyceps crassioris, A New sisoroid Catfish from Odisha, India (Siluriformes: Amblycipitidae). Journal of Fish Biology. DOI: 10.1111/jfb.15599
