Comprehensive DescriptionRead full entry
| Common names: snake-moray (English), morena (Espanol) |
Uropterygius macrocephalus (Bleeker, 1865)
Largehead snake-moray, Largehead moray, Needle-tooth snake-moray
Slender, moderately elongate, compressed at rear; tail slightly longer than head & trunk; snout short, ~ conical; eye moderate, over middle of jaws; front nostril tubular; posterior nostril not tubular, is a hole with a raised rim above front part of eye; gill opening a small slit at ~ mid side; pores above & below eye, along lower jaw, a single minute branchial pore in front of gill opening; teeth conical, slender, sharp, teeth of jaws biserial, those of roof of mouth uniserial; dorsal & anal fins present as skin covered ridges near tip of tail.
Overall brown, usually with mottled pattern evident; tip of tail white to yellowish.
Size: reaches 47 cm.
Habitat: rocky and coral reefs.
Depth: 1-15 m.
Christmas Island (Indian Ocean) and Japan to the eastern Pacific; in our region known from southern Baja California and central part of the Gulf of California to Peru, plus the Revillagigedos, Clipperton, Isla del Coco, and the Galapagos.