Species: Callechelys muraena, Blotched snake eel

Callechelys muraena Jordan & Evermann, 1887

Blotched snake eel

Moderately elongate; head and body compressed, 60-63% of TL; head short, snout strongly pointed, a median groove on its underside extends to front nostrils, slightly overhanging mouth; anterior nostril tubular, rear nostril in top lip under eye, opens outside when mouth is closed, covered by a flap; teeth small, pointed, in 1 row on jaws (7-11 above, 11-17 below), 4 between top jaws, 8-12 on roof of mouth; gill openings low on side, converging forwards; gill chamber an expanded pouch; dorsal and anal fins present; dorsal fin high, begins on head at or just behind eye, and ends a little before tail tip; tip of tail a hard finless point; pectorals absent; lateral line complete, lines of each side of head connected by 2 canals with across top of head.