Notosaikai-bikunin (Careproctus notosaikaiensis) is a ray-finned fish of the family Liparidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 18.2 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.
Vertebrae: 57 - 58. A species of Careproctus with the following combination of characters: vertebrae 57–58, 10–12 abdominal and 46–48 caudal; dorsal-fin rays 52; anal-fin rays 46–47; principal caudal-fin rays 10; pectoral-fin rays 35–37; pectoral fin with deep notch; proximal pectoral radials 4 (3 ? 1), round; gill slit extending to pectoral-fin ray 4–7; teeth strongly trilobed; pleural ribs 2 pairs; 2 suprabranchial pores; chin pores paired in same pit; pyloric caeca 20–29; dorsal and anal fins with dark margins and stomach black in preserved specimens .: elongated; Cross section: compressed.
Behavioural data for Notosaikai-bikunin is currently being reviewed.
Marine; bathydemersal. Deep-water central part of the Sea of Japan, off Saikai, western coast of the Noto Peninsula, Ishikawa, Japan.
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