HomeFreshwater aquarium fishOther freshwater fishHawaiian flagtail Hawaiian flagtail (Kuhlia sandvicensis) Scientific name: Kuhlia sandvicensis Steindachner, 1876 The Hawaiian flagtail (Kuhlia sandvicensis) is a freshwater fish of the family Kuhliidae. Native range: Pacific Ocean, widely distributed around oceanic islands. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 11-12; Anal spines: 3; Anal soft rays: 11 - 12. Preorbital serrae 10-20; body depth 2.6-2.9 in SL; dorsal profile of head nearly straight; eye not very large, orbit diameter 3.0-3.45 in head length; caudal concavity 1.45-1.7 in head length; third anal fin spine longer than second; pelvic fin spine 2.3-2.9 in head length. Silvery with a coarse silver and black reticulum dorsally on head; posterior edge of caudal fin blackish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameKuhlia sandvicensisFamilyKuhliidae (Aholeholes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length21.4EnvironmentMarine; freshwater; brackish; benthopelagic; amphidromousClimateTropicalDistributionPacific Ocean: widely distributed around oceanic islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yes; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.33) More other freshwater fishLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSouth American lungfishLepidosiren paradoxaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026