HomeFish encyclopediaRay-finned fishesPerch-like fishRoundheadsSteene's prettyfin Steene's prettyfin (Steeneichthys plesiopsus) Scientific name: Steeneichthys plesiopsus Allen & Randall, 1985 The Steene's prettyfin (Steeneichthys plesiopsus) is a marine fish of the family Plesiopidae. Native range: Western Pacific, Australia (including Rowley Shoals, Western Australia), Papua New Guinea and Fiji. Recently recorded from Tonga. BiologyAdults are benthic which occur inshore. They inhabit coral reef. Eggs are guarded by the male parent.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSteeneichthys plesiopsusFamilyPlesiopidae (Roundheads)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Depth range35 m (115 ft)EnvironmentMarine; reef-associated; depth range ? - 35 mClimateTropicalDistributionWestern Pacific: Australia (including Rowley Shoals, Western Australia), Papua New Guinea and Fiji. Recently recorded from Tonga.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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