HomeFish encyclopediaRay-finned fishesPerch-like fishDottybacksSpiny dottyback Spiny dottyback (Pseudochromis quinquedentatus) Scientific name: Pseudochromis quinquedentatus McCulloch, 1926 The Spiny dottyback (Pseudochromis quinquedentatus) is a marine fish of the family Pseudochromidae. Native range: Indo-Pacific, Indonesia, the Arafura Sea and Australia. BiologyOccurs inshore, near reefs. Found around outcrops on sand or rubble bottoms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudochromis quinquedentatusFamilyPseudochromidae (Dottybacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.5Depth range10–50 m (33–164 ft)EnvironmentMarine; reef-associated; depth range 10 - 50 mClimateTropicalDistributionIndo-Pacific: Indonesia, the Arafura Sea and Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026