Sciadonus Robinsorum (Sciadonus robinsorum) is a ray-finned fish of the family Bythitidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 4.7 cm. It occurs at depths between 4416 and 4422 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
Dorsal soft rays (total): 81; Anal soft rays: 53; Vertebrae: 77. This species is distinguished by the following characters: horizontal mouth with no tissue flaps anteriorly on protruding lower jaw; no distinct black pigment spots through the transparent skin; D 81, A 53, pectoral 14 and no pelvic fins; precaudal vertebrae 37, total 77; predorsal length 42.5 % SL .Cross section: compressed.
Behavioural data for Sciadonus Robinsorum is currently being reviewed.
Marine; bathydemersal; depth range 4416 - 4422 m . Deep-water
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