鉴别 |
Body slender and elongate; body depth 6.7-9.1% SL. Head length 11.4-14.4% SL. Lower jaw about as long as upper jaw. Long, tapering, protrusible snout. Chin barbel 11.2-12.9% SL. Barbel with slender stem, 3 branches, and a globular terminal bulb. Branches located medial to bulb and are slightly shorter to slightly longer than distance from base of branches to tip of barbel, and bear several side branches. Terminal bulb with several branched filaments near tip. Two tightly bound pectoral rays (Ref. 37039). |