鉴别 |
Diagnosis: eye 16.5% HL; body with clear medio-lateral band; 42-50 mandibular teeth; dorsal spine fully serrated along entire anterior edge (Ref. 81251).
Description: maxillary barbels without distinct basal membrane; mandibular barbels with few, non-tuberculate ramifications except for internal pair where ramifications are slightly tuberculate; mouth twice as wide as long with well-developed, papillate lips; snout broad and subrounded; low number of premaxillary teeth forming a band as long as eye; movable mandibular teeth forming a transverse band, 42-50 in number; humeral process large, acutely pointed, rugose and with a slight keel on lower side, 1.9 times longer than deep; dorsal spine serrated along anterior edge; base of adipose 1.4 times longer than distance from dorsal to adipose fin and 4.1 times deeper; pectoral fin spine prolonged by a filament, and strongly serrated along anterior edge, more than along posterior edge; pelvic fin not reaching anal fin; anal fin rounded; caudal fin deeply forked with 2 equal lobes; caudal peduncle as long as deep (Ref. 81251).
Coloration: body and belly marbled or spotted; spots smaller on head, forming marbling on flank and belly; a light median band present; fins with brownish spots arranged in transverse series (Ref. 81251). |