Uncommon species . The species does not venture far from the shelf break . Reproductive strategy possibly similar to other members of this family featuring oviparity, with oval pelagic eggs floating in a gelatinous mass .
This species is distinguished by the following characters: precaudal vertebrae 16-17; loin vertebrae 8-10 with the last precaudal vertebrae without ribs; first gill arch with long gill rakers 15-18; pectoral-fin rays 17-19; HL:HD 1.35-1.45; no head spines; opercular spine flat and extruding; opercular flap small; vomer narrow, anteriorly naked, with few teeth posteriorly, while palatines narrow with 1-2 rows of teeth; basibranchial tooth patch very small or absent; lateral line scales to level of vent 14-20; first dorsal fin pterygiophore originating between the second and third neural spine .Cross section: compressed.
Behavioural data for Tenuicephalus Silus is currently being reviewed.
Diet information for Tenuicephalus Silus is currently being compiled.
Reproduction data for Tenuicephalus Silus is currently being compiled.
Marine; bathydemersal; depth range 1500 - 3510 m . Deep-water
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