Exostoma sawmteai Lalramliana, Lalronunga, Lalnuntluanga & Ng, 2015
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Family:  Sisoridae (Sisorid catfishes), subfamily: Glyptosterninae
Max. size:  8.49 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Asia: known only from the type locality, Pharsih River, a tributary of Tuivai River (Barak River drainage) in Mizoram, northeast India (Ref. 103394).
Diagnosis:  Dorsal soft rays (total): -7; Anal soft rays: -7; Vertebrae: 38-39. Exostoma sawmteai differs markedly from the other species of the genus from Ganges-Brahmaputra basin in having the posterior end of the adipose fin adnate with (vs. separated by a distinct notch from) the dorsal procurrent caudal-fin rays; further differs from all congeners in having a unique combination of the following characters: snout length 48-55 % HL; eye diameter 8-11 % HL; pectoral-pelvic distance 28.6-32.8 % SL; body depth at anus 11.5-14.1 % SL; length of adipose-fin base 30.7-37.2 % SL; caudal-peduncle length 18.4-20.3 % SL; caudal-peduncle depth 10 .1-11. 7 % SL; lunate caudal fin; and 38-39 total vertebrae (Ref. 103394).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Hennyey, Andrea - 23.11.18

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