HomeFish encyclopediaRay-finned fishesCodsMorid codsJapanese codling Japanese codling (Physiculus japonicus) Scientific name: Physiculus japonicus Hilgendorf, 1879 The Japanese codling (Physiculus japonicus) is a marine fish of the family Moridae. Native range: Northwest Pacific, Japan and the East China Sea. BiologyDorsal spines (total): 0; Anal spines: 0. Ventral light organ well behind a line between pelvic fins. Color is light brown to pinkish tan on dorsal portions, grading to blue-black ventrally.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePhysiculus japonicusFamilyMoridae (Morid cods)OrderGadiformes (Cods)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Depth range150–350 m (492–1148 ft)EnvironmentMarine; bathydemersal; depth range 150 - 350 mClimateDeep-waterDistributionNorthwest Pacific: Japan and the East China Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming tmax>10) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026