HomeFish encyclopediaRay-finned fishesPerch-like fishGruntsBlack-ear javelin Black-ear javelin (Pomadasys trifasciatus) Scientific name: Pomadasys trifasciatus Fowler, 1937 The Black-ear javelin (Pomadasys trifasciatus) is a brackish-water fish of the family Haemulidae. Native range: Western Pacific, northern Australia, Thailand and Papua New Guinea. BiologyOccurs in inshore waters of the continental shelf.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePomadasys trifasciatusFamilyHaemulidae (Grunts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)EnvironmentMarine; brackish; benthopelagicClimateTropicalDistributionWestern Pacific: northern Australia, Thailand and Papua New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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