HomeMarine aquarium fishEels, lionfish & predatorsFalse stonefish False stonefish (Scorpaenopsis diabolus) Scientific name: Scorpaenopsis diabolus Cuvier, 1829 The False stonefish (Scorpaenopsis diabolus) is a marine fish of the family Scorpaenidae. Native range: Indo-Pacific, Red Sea and East Africa to the Hawaiian Islands and French Polynesia, north to southern Japan, south to the Great Barrier Reef and New Caledonia. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 8-10; Anal spines: 3; Anal soft rays: 5 - 6. Pectoral fin rays usually 18; back arched; with about 45 vertical scale rows; lachrymal bone with 2 or 3 spines over maxillary, first points forward, followed by 1 or by 2 close-set spines which point down and back; suborbital ridge with 4 or more spinous points, usually more than 8 or 10 points, not in a row and of various sizes; a shallow pit below front corner of eye. Colorful inside the pectoral fins, used for display.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameScorpaenopsis diabolusFamilyScorpaenidae (Scorpionfishes or rockfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range1–70 m (3–230 ft)EnvironmentMarine; reef-associated; depth range 1 - 70 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa to the Hawaiian Islands and French Polynesia, north to southern Japan, south to the Great Barrier Reef and New Caledonia.Conservation status (IUCN)Not EvaluatedThreat to humansVenomousUsesAquarium: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.) More eels, lionfish & predatorsRed lionfishPterois volitansLowfin scorpionfishScorpaenodes parvipinnisBroadbarred firefishPterois antennataRadial firefishPterois radiataShortfin turkeyfishDendrochirus brachypterusBarbfishScorpaena brasiliensisSee all eels, lionfish & predators SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026