HomeFish encyclopediaRay-finned fishesPerch-like fishSweepersPigmy sweeper Pigmy sweeper (Parapriacanthus ransonneti) Scientific name: Parapriacanthus ransonneti Steindachner, 1870 The Pigmy sweeper (Parapriacanthus ransonneti) is a marine fish of the family Pempheridae. Native range: Indo-West Pacific, Red Sea south to Transkei, South Africa and east to the Marshall Islands, north to southern Japan, south to Australia. BiologyDorsal spines (total): 5; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 20 - 23. Body pale pink, belly and sides of head silvery.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParapriacanthus ransonnetiFamilyPempheridae (Sweepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range550 m (1804 ft)EnvironmentMarine; reef-associated; depth range ? - 550 mClimateTropicalDistributionIndo-West Pacific: Red Sea south to Transkei, South Africa and east to the Marshall Islands, north to southern Japan, south to Australia.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