HomeFish encyclopediaRay-finned fishesSilversidesSurf sardinesHawaiian surf sardine Hawaiian surf sardine (Iso hawaiiensis) Scientific name: Iso hawaiiensis Gosline, 1952 The Hawaiian surf sardine (Iso hawaiiensis) is a marine fish of the family Notocheiridae. Native range: Pacific Ocean, Marshall Islands, Hawaii and Rapa. BiologyDorsal spines (total): 5 - 7; Dorsal soft rays (total): 14-16; Anal spines: 1; Anal soft rays: 20 - 25. Teeth in jaws restricted to first third along free edge of premaxilla. Dorsal edge of opercle without notch and process.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameIso hawaiiensisFamilyNotocheiridae (Surf sardines)OrderAtheriniformes (Silversides)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Depth range0–2 m (0–7 ft)EnvironmentMarine; reef-associated; depth range 0 - 2 mClimateTropicalDistributionPacific Ocean: Marshall Islands, Hawaii and Rapa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026