HomeFreshwater aquarium fishOther freshwater fishRedtail surfperch Redtail surfperch (Amphistichus rhodoterus) Scientific name: Amphistichus rhodoterus Agassiz, 1854 The Redtail surfperch (Amphistichus rhodoterus) is a brackish-water fish of the family Embiotocidae. Native range: Eastern Pacific, Vancouver Island, British Columbia, Canada to Avila Beach, central California, USA. BiologyDorsal spines (total): 9 - 10; Dorsal soft rays (total): 25-28; Anal spines: 3; Anal soft rays: 28 - 31. Caudal fin broadly forked. Generally silvery overlaid lightly with a brassy cast; light green above; sides with a series of about 9 to 11 narrow vertical dark bars, posteriorly, broken and staggered along the lateral line; caudal and anal fins red.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmphistichus rhodoterusFamilyEmbiotocidae (Surfperches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length41.0Depth range7 m (23 ft)EnvironmentMarine; brackish; demersal; depth range ? - 7 mClimateTemperateDistributionEastern Pacific: Vancouver Island, British Columbia, Canada to Avila Beach, central California, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yes; aquarium: public aquariumsResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=3; tmax=9; Fec=39) More other freshwater fishPumpkinseedLepomis gibbosusLined soleAchirus lineatusShort-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