| Common names: moray (English), morena (Espanol) |
Gymnothorax castaneus (Jordan & Gilbert, 1883)
Panamic green moray, Chestnut moray
Robust; snout heavy and blunt; front nostril tubular, rear nostril with a raised rim, at level of top head profile; teeth conical, without serrations; top jaw with 1 row of teeth at side and three longitudinal rows of teeth at front; dorsal and anal fins developed as skin-covered ridges, but relatively tall and distinct; dorsal fin origin on top of head, well in front of gill opening.
Brown to brownish green, usually plain, but sometimes with a few white or yellow flecks, mostly on rear half of body, a few on dorsal fin. Juvenile very dark to blackish, with a whitish border to the dorsal fin.
Size: attains 150 cm.
Habitat: mainly on rocky reefs, although juveniles also occur in mangrove areas.
Depth 1-35 m.
The Gulf of California to Ecuador, plus the Revillagigedos, Cocos, Malpelo and the Galapagos.