HomeFish encyclopediaRay-finned fishesPerch-like fishSandperchesDoublespot grubfish Doublespot grubfish (Parapercis diplospilus) Scientific name: Parapercis diplospilus Gomon, 1981 The Doublespot grubfish (Parapercis diplospilus) is a marine fish of the family Pinguipedidae. Native range: Indo-West Pacific, western Australia and the Indo-Australian archipelago. Also recorded from the Philippines. BiologyDorsal spines (total): 5; Dorsal soft rays (total): 20-24; Anal spines: 1; Anal soft rays: 16 - 20. Edges of scales of upper two-fifths of body dark brown, the centres pale. Upper part of body with 8 V-shaped dark bars faintly visible, becoming darker at the lower part of each V. A row of large dark brown spots on lower side of body. Two prominent oval black spots, one above the other, basally in caudal fin. Posterior margin of preopercle and opercle strongly serrate. Cheek scales ctenoid. Body elongate, its depth 5.7 to 6.9 SL (Ref 42740).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParapercis diplospilusFamilyPinguipedidae (Sandperches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.5Depth range35 m (115 ft)EnvironmentMarine; demersal; depth range ? - 35 mClimateTropicalDistributionIndo-West Pacific: western Australia and the Indo-Australian archipelago. Also recorded from the Philippines.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