HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesOkinawa chromis Okinawa chromis (Chromis okamurai) Scientific name: Chromis okamurai Yamakawa & Randall, 1989 The Okinawa chromis (Chromis okamurai) is a marine fish of the family Pomacentridae. Native range: Northwest Pacific, Known only from a single specimen dredged in 1979 in the Okinawa Trough, East China Sea. BiologyDorsal spines (total): 14; Dorsal soft rays (total): 13; Anal spines: 2; Anal soft rays: 12Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChromis okamuraiFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.4Depth range135–175 m (443–574 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 135 - 175 mClimateTemperateDistributionNorthwest Pacific: Known only from a single specimen dredged in 1979 in the Okinawa Trough, East China Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026