Tenuicephalus melampeplus (Alcock, 1896)

Family:  Ophidiidae (Cusk-eels), subfamily: Neobythitinae
Max. size:  21.8 cm SL (male/unsexed)
Environment:  bathydemersal; marine; depth range 1500 - 2283 m
Distribution:  Western Indian Ocean and Western Pacific (Solomon Sea).
Diagnosis:  This species is distinguished by the following characters: precaudal vertebrae 14-16, 3 loin vertebrae (last precaudal vertebrae without ribs); first gill arch with long gill rakers 14-16; pectoral-fin rays 16-17; HL:HD 1.40-1.48; absence of head spines; opercular spine sharp and extruding; opercular flap small; vomer is narrow, naked or with few teeth; palatines narrow with 2-3 rows of teeth; basibranchial tooth patch very small with 1-2 rows of teeth; otolith with single colliculum; OL:OH = 0.95; OL:TCL = 1.87 (Ref. 125143).
Biology:  Uncommon species (Ref. 34024). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205).
IUCN Red List Status: Least Concern (LC); Date assessed: 15 August 2019 Ref. (130435)
Threat to humans:  harmless


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