HomeFish encyclopediaRay-finned fishesCodsCodletsJapanese codlet Japanese codlet (Bregmaceros japonicus) Scientific name: Bregmaceros japonicus Tanaka, 1908 The Japanese codlet (Bregmaceros japonicus) is a marine fish of the family Bregmacerotidae. Native range: Western Pacific, southern Japan, Taiwan, Papua New Guinea, and Australia. Eastern Pacific: Hawaiian Islands. Species factsScientific nameBregmaceros japonicusFamilyBregmacerotidae (Codlets)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length8.0Depth range0–800 m (0–2625 ft)EnvironmentMarine; pelagic-oceanic; oceanodromous; depth range 0 - 800 mClimateTropicalDistributionWestern Pacific: southern Japan, Taiwan, Papua New Guinea, and Australia. Eastern Pacific: Hawaiian Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026