Species: Citharichthys gnathus, Big-chinned sanddab

Citharichthys gnathus Hoshino and Amaoka, 1999

Big-chinned sanddab

Body elongate (depth 35-44% SL) sharply wedge-shaped at rear; head large (28.5-36.3% SL); eyes on left side (uncommonly on right side); eyes large (25-33% head), lower one slightly before upper one, narrow between them, strong bony ridge over lower eye; snout long (5.5-6.3% of SL), very strongly projecting in adults; eyes on left side; mouth medium length ends under front of pupil of lower eye; tip of chin with a large pointed hook-like knob in adults; blind side jaws not arched; teeth ~ equally developed on both sides of jaws, in 1 series of immovable teeth on each jaw, no canines but front teeth a little enlarged; gill rakers slender, moderately long, 16-20 lower rakers; dorsal fin origin slightly before upper eye, 78-86 dorsal rays; 62-68 anal rays; eye side pectoral 85% of head length; base of eye-side pelvic on midline of body; urinary papilla on blind side, immediately behind anus; eye-side lateral line ~ straight, from edge of opercle to tail base; scales large, slightly rough on eye side, smooth on blind side; lateral line 44-50 scales.