Diplacanthopoma Japonicum (Diplacanthopoma japonicum) is a ray-finned fish of the family Bythitidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 40 cm. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.
Dorsal spines (total): 0; Dorsal soft rays (total): 134; Anal spines: 0; Anal soft rays: 100. Head very large and cavernous. Scales absent from head and bases of dorsal and anal fins. Pore bearing skin flap over operculum. Attains 40 cm SL.: elongated; Cross section: oval.
Behavioural data for Diplacanthopoma Japonicum is currently being reviewed.
Marine; benthopelagic. Temperate Northwest Pacific: probably endemic to Japan.
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