Batasio macronotus Ng & Edds, 2004
Batasio macronotus
photo by Ng, H.H.

Family:  Bagridae (Bagrid catfishes)
Max. size:  8.9 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: Kosi River drainage in eastern Nepal.
Diagnosis:  Dorsal soft rays (total): 7-7; Anal soft rays: 12-13; Vertebrae: 40-41. Distinguished from its congeners, except Batasio batasio, in possessing a color pattern on the body consisting solely of horizontal stripes (vs. with vertical bars and spots, or a uniform dark brown color). Differs from B. batasio in having a shorter dorsal spine (14.0-16.1% SL vs. 16.7-18.5), longer adipose-fin base (28.3-31.8 % SL vs. 24.8-26.5), and a deeper body (19.5-21.2% SL vs. 17.0-17.4) and caudal peduncle (9.3-9.7% SL vs. 8.2-8.8) (Ref. 54041). Description: Anal fin with iv,8 or iv,9 rays; pelvic fin with i,5 rays (Ref. 54041).
Biology:  Found in lowland river with turbid water, mainly on sand substrate in lotic areas and sand/mud substrate with some submerged and emergent vegetation in lentic backwaters (Ref. 54041).
IUCN Red List Status: Data deficient (DD); Date assessed: 26 December 2009 Ref. (130435)
Threat to humans:  harmless


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