Narrowtail moray (Gymnothorax angusticauda) is a ray-finned fish of the family Muraenidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 57.5 cm. It occurs at depths between 1 and 15 metres. With a trophic level of 3.9, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.
Vertebrae: 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 .Cross section: oval.
Behavioural data for Narrowtail moray is currently being reviewed.
Marine; benthopelagic; depth range 1 - 15 m . Tropical West Pacific: Red Sea, Taiwan, the Philippines and Papua New Guinea.
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