HomeFish encyclopediaRay-finned fishesPerch-like fishDamselfishesMidget chromis Midget chromis (Chromis acares) Scientific name: Chromis acares Randall & Swerdloff, 1973 The Midget chromis (Chromis acares) is a marine fish of the family Pomacentridae. Native range: Pacific Ocean, Mariana Islands to the Hawaiian and Society islands, south to Vanuatu and the Austral Islands. Possibly at Rowley Shoals (eastern Indian Ocean). BiologyDorsal spines (total): 7 - 8; Dorsal soft rays (total): 11; Anal spines: 2; Anal soft rays: 10 - 11. Pearly white with an elongate yellow blotch extending from behind the eye to the pectoral fin base, and a small, less than eye diameter, yellow spot on the posterior base of the soft dorsal fin. Caudal fin with yellow dorsal and ventral edges.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChromis acaresFamilyPomacentridae (Damselfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range2–37 m (7–121 ft)EnvironmentMarine; reef-associated; non-migratory; depth range 2 - 37 mClimateTropicalDistributionPacific Ocean: Mariana Islands to the Hawaiian and Society islands, south to Vanuatu and the Austral Islands. Possibly at Rowley Shoals (eastern Indian Ocean).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