Polymixia Longispina (Polymixia longispina) is a ray-finned fish of the family Polymixiidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 14.2 cm. It occurs at depths between 190 and 670 metres. With a trophic level of 3.8, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
Dorsal spines (total): 5; Dorsal soft rays (total): 29 - 32; Anal spines: 4; Anal soft rays: 14 - 16; Vertebrae: 29. : fusiform / normal.
Behavioural data for Polymixia Longispina is currently being reviewed.
Diet information for Polymixia Longispina is currently being compiled.
Reproduction data for Polymixia Longispina is currently being compiled.
Marine; benthopelagic; depth range 190 - 670 m . Deep-water Northeast Pacific: East China Sea.
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