Careproctus Rhomboides (Careproctus rhomboides) is a ray-finned fish of the family Liparidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 16.6 cm. It occurs at depths between 570 and 825 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.
Dorsal soft rays (total): 56 - 57; Anal soft rays: 49 - 52; Vertebrae: 59 - 61. This species is distinguished from its congeners by the following set of characters: total vertebrae 59-61; D 56 or 57; A 49-52; P1 32-34; pyloric caeca 13-16; cephalic pore pattern 2-6-7-2, chin pores paired in separate pits; maximum body depth 22.4-30.5% SL; inner teeth on both jaws strongly trilobed; pelvic disk oval, slightly longer than width, length 4.3-7.7% SL [18.9-33.9% head length (HL)]; gill opening small, extending to just above pectoral fin; stomach black and peritoneum pale in preserved specimens .: elongated; Cross section: compressed.
Behavioural data for Careproctus Rhomboides is currently being reviewed.
Marine; bathydemersal; depth range 570 - 825 m . Temperate Northwest Pacific: Japan.
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