Species: Eleotris pisonis, Spinycheek sleeper

Eleotris pisonis (Gmelin, 1789)

Spinycheek sleeper

Head broad, depressed; body robust; snout short; interorbital broad, 3 times eye diameter; mouth large, oblique, lower jaw projecting; upper jaw extending to middle or end of eye; several rows of fine teeth on jaws, with an outer row of large canines at rear, and/or in inner row where jaws meet at front of mouth; front nostril tubular overlapping upper lip, rear nostril an open pit; gill opening extends to below opercle; a strong, forward-pointing spine embedded in the skin at the lower rear corner of the preopercle; gill membranes broadly joined to throat, with 6 rays; dorsal fin VI + I, 9, base of 2nd dorsal < distance from the end of that base to tail fin;  pectoral 17 (15-19); anal fin I, 8 (7-8); pelvic I, 5, fins separate, no anterior membrane;  scales mostly smooth at front, rough on body; predorsal scales 54 (47-63); 40 (32-49) scales in lateral series; top of head (except tip of snout), cheeks and opercle scaled; tiny scales between eyes; no lateral line.