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Beta Mahatvaraj (2) Johnny Jensen's Photographic Library (1) Abhisek Mishra (1)

Description: Dorsal soft rays (total): 5-6. Amblyceps cerinum differs from its congeners except A. apangi, A. murraystuarti, and A. torrentis in having a truncate caudal fin (vs. forked or strongly emarginate); differs from A. apangi in having a longer adipose-fin base 32.4–38.3% SL (vs. 24.3–32.0), more slender caudal peduncle 9.2–11.2% SL (vs. 11.3–15.4), greater number of post-Weberian vertebrae 41–44 (vs. 38), having the lateral line terminating just posterior to the vertical through the dorsal-fin insertion (vs. extending to the end of the caudal peduncle); differs from A. murraystuarti in having a more slender body 9.2–11.2% SL (vs. 11.6–15.0), longer caudal peduncle 21.9–24.5% SL (vs. 19.6–22.6), with the posterior end of the adipose fin not broadly confluent with the dorsal procurrent caudal-fin rays and separated from them by a distinct notch (vs. adipose fin broadly confluent with dorsal procurrent caudal-fin rays and not separated by a distinct notch); differs from A. torrentis in having a more slender body 9.2–11.9% SL (vs. 15.3–17.3% SL), slender caudal peduncle 9.2–11.2% SL (vs. 13.8–15.6), the upper jaw longer than the lower jaw (vs. jaws equal), and an incomplete lateral line terminating at the posterior base of the dorsal fin (vs. a complete lateral line terminating at the base of the caudal fin). Habitat: This fish was frequently found under cobble. Its type locality is a shallow, swift-flowing stream with a substrate of cobble and sand. Etymology: The specific name cerinum: name from Latin adjective 'cerinus', meaning wax-coloured; refers to the yellowish coloration in life of this species.

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Amblycipitidae

Asia: India, Brahmaputra River drainage, northern West Bengal. Type Locality: Raidak I River at Shipra, just outside Buxa Tiger Reserve, ca. 8 kilometers toward Barobisha on Siliguri-Guwahati road, 26°31'12"N, 89°43'25"E, West Bengal, India.

10.0cm (4ins)

18-22°C (63-71°F)

6.5-7.5.

Froese, R. and D. Pauly. Editors. 2009. FishBase. World Wide Web electronic publication. www.fishbase.org, version (04/2010).
Ng, H.H. and J.J. Wright, 2010. Amblyceps cerinum, a new catfish (Teleostei: Amblycipitidae) from northeastern India. Zootaxa, 2672:50-60.