Sisor chennuah Ng & Lahkar, 2003
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Family:  Sisoridae (Sisorid catfishes), subfamily: Sisorinae
Max. size:  9.81 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  Asia: Brahmaputra River drainage in India.
Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 6-6; Anal soft rays: 6-6; Vertebrae: 32-34. Differs from Sisor rabdophorus and Sisor rheophilus in possessing a deeper body (body depth at anus 5.6-5.8% SL vs. 4.2-5.4). Can be differentiated further from Sisor rheophilus in having a wider head (15.7-15.9% SL vs. 14.5-14.8), shorter snout (54.0-55.9% HL vs. 56.2-60.3), smaller eye (9.9-11.4% HL vs. 13.2-16.3), fewer serrations on posterior edge of pectoral spine (10 vs. 7-22) and wider nuchal plate (width 1.1-1.2 times length vs. width equal to length), and from Sisor torosus in having a more slender body (body depth at anus 5.6-5.8% SL vs. 6.0-7.8) (Ref. 55921).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 21 December 2009 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 23.09.04
Modified by: Bailly, Nicolas - 05.07.07

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