Redescription of Batasio merianiensis, a catfish (Teleostei: Bagridae) from northeastern India

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Published: May 26, 2009
DOI: https://doi.org/10.11609/JoTT.o2177.253-6

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H.H. Ng

Abstract

The bagrid catfish Batasio merianiensis was described from only the holotype collected in the Brahmaputra River drainage, Assam, northeastern India. This poorly known catfish is rediagnosed and redescribed on the basis of fresh material in this study. Batasio merianiensis is diagnosed from congeners in having a combination of the following characters: length of adipose-fin base 16.9-22.2 % SL, dorsal fin when appressed not reaching anterior origin of adipose fin, body depth at anus 15.2-18.4% SL, caudal peduncle depth 9.7-11.5% SL, eye diameter 18.3-25.9% HL, vertical dark brown bars on head and body, and absence of dark mid-dorsal stripe.

Article Details

Issue
Vol 1, No 5 (2009)
Section
Communications

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Author Biography

H.H. Ng

Heok Hee Ng graduated with a PhD from the University of Michigan in 2006 and has been working on the taxonomy of Asian catfishes since 1994. Now at the Raffles Museum of Biodiversity Research in Singapore, his current research focus is on sisoroid taxonomy and systematics.