HomeFish encyclopediaRay-finned fishesPerch-like fishMojarrasPacific flagfin mojarra Pacific flagfin mojarra (Eucinostomus currani) Scientific name: Eucinostomus currani Zahuranec, 1980 The Pacific flagfin mojarra (Eucinostomus currani) is a freshwater fish of the family Gerreidae. In the aquarium it needs water at 26–32°C (79–90°F). Native range: Eastern Pacific, Baja California, Mexico and the Gulf of California to the northern tip of Peru, including the Cocos and the Galapagos Islands. Pacific flagfin mojarra care at a glanceTemperature26–32°C (79–90°F) BiologyFound over soft bottoms of coastal waters. Juveniles are commonly found in estuarine regions, mangroves, tidal streams and rivers far from the coast. Adults occur in deeper waters. Forms schools. Omnivore, feeds on vegetable matter, micro-invertebrates and detritus.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEucinostomus curraniFamilyGerreidae (Mojarras)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length21.0EnvironmentMarine; freshwater; brackish; demersalClimateTropicalDistributionEastern Pacific: Baja California, Mexico and the Gulf of California to the northern tip of Peru, including the Cocos and the Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercial; bait: occasionallyResilienceHigh, 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