HomeFish encyclopediaRay-finned fishesPerch-like fishGrunters or tigerperchesFourlined terapon Fourlined terapon (Pelates quadrilineatus) Scientific name: Pelates quadrilineatus Bloch, 1790 The Fourlined terapon (Pelates quadrilineatus) is a brackish-water fish of the family Terapontidae. BiologyDorsal spines (total): 12 - 13; Dorsal soft rays (total): 8-11; Anal spines: 3; Anal soft rays: 9 - 11. Generally silver in color, with 4-6 dark horizontal lines; a black blotch behind head and below dorsal origin and another in front of dorsal fin may be present; caudal fin pale or slightly dusky.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePelates quadrilineatusFamilyTerapontidae (Grunters or tigerperches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; brackish; reef-associated; depth range 0 - ? mClimateSubtropicalDistributionIndo-West Pacific: Red Sea and East Africa to southern Japan, New Guinea and Arafura Sea. Reported from Vanuatu. Migrated to the Mediterranean from the Red Sea via the Suez Canal.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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