Tenuicephalus multitrabs Schwarzhans & Møller, 2021

Family:  Ophidiidae (Cusk-eels), subfamily: Neobythitinae
Max. size:  20.2 cm SL (male/unsexed)
Environment:  benthopelagic; marine; depth range 1000 - 2000 m
Distribution:  Indian Ocean (except for its northern part) and the western Pacific.
Diagnosis:  This species is distinguished by the following characters: precaudal vertebrae 14-16, loin vertebrae 3-5 the last precaudal vertebrae without ribs; first gill arch with long gill rakers 18-21; pectoral-fin rays 16-18; HL:HD 1.38-1.63; maximal HD:HD through center of eye 1.35-1.70; weak head spines on ethmoidal, interorbital and 5th infraorbital; opercular spine sharp and extruding; opercular flap is moderately large; vomer narrow, naked or with few teeth or one row of teeth; palatines narrow with 1-3 rows of teeth; basibranchial tooth patch small, narrow with 1-3 rows of teeth; otolith large, 11.5-14.5 % in HL, with single colliculum; OL:OH = 1.22-1.34; OL:TCL = 2.46-2.92 (Ref. 125143).
Biology:  The largest number of specimens were caught at great distance from the nearest shelf areas in the central Indian Ocean, nearly 2000 km above the Ninety-East Ridge. It was caught well above the sea bottom indicating that these fishes might obtain a bathypelagic rather than a benthopelagic life style (Ref. 125143).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless
Country info:  Type locality of Tenuicephalus multitrabs, Lagonoy Gulf (Ref. 125143).


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