HomeFish encyclopediaRay-finned fishesPerch-like fishSlimys, slipmouths or ponyfishesStriped ponyfish Striped ponyfish (Leiognathus fasciatus) Scientific name: Leiognathus fasciatus Lacep?de, 1803 The Striped ponyfish (Leiognathus fasciatus) is a brackish-water fish of the family Leiognathidae. In the aquarium it needs water at 26–29°C (79–84°F). Native range: Indo-West Pacific, Red Sea and East Africa to Samoa and Fiji, north to Japan, south to northeastern Australia. Striped ponyfish care at a glanceTemperature26–29°C (79–84°F) BiologyDorsal spines (total): 8; Dorsal soft rays (total): 16; Anal spines: 3; Anal soft rays: 14. Deep bodied and vertical dark bars on upper sides. Long filament on dorsal spine. Silvery body. Naked head; with nuchal spine. Protracted mouth pointing downward. Thin scales on breast. 2nd dorsal spine elongated.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLeiognathus fasciatusFamilyLeiognathidae (Slimys, slipmouths or ponyfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Common length17.0Depth range20–50 m (66–164 ft)EnvironmentMarine; brackish; demersal; depth range 20 - 50 mClimateTropicalDistributionIndo-West Pacific: Red Sea and East Africa to Samoa and Fiji, north to Japan, south to northeastern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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