Gymnothorax angusticauda (Weber & de Beaufort, 1916)
Narrowtail moray
photo by Erdmann, M.V.

Family:  Muraenidae (Moray eels), subfamily: Muraeninae
Max. size:  57.5 cm TL (male/unsexed)
Environment:  benthopelagic; marine; depth range 1 - 15 m
Distribution:  Indo-West Pacific: Red Sea, Taiwan, the Philippines and Papua New Guinea.
Diagnosis:  Vertebrae: 146-146. This species is distinguished by the following characters: moderately elongate and unpatterned, with a narrow tail and anus at about mid-body, preanal length 1.8-2.1 times in TL; head 8.0-9.9 in TL; body depth at gill opening 15-19 in TL; teeth uniserial, short, and blade-like with serrations on lower margins; mean vertebral formula 4-61-144; body is uniformly yellowish gray with white margin on dorsal and anal fins; head pores distinctly white in color (Ref. 129614).
Biology:  Collected in less than 0.5 m (Ref. 10713). Usually in sand and mud bottoms to at least 15 m (Ref 90102).
IUCN Red List Status: Data deficient (DD); Date assessed: 26 November 2019 Ref. (130435)
Threat to humans:  harmless


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