HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsDwarf flathead Dwarf flathead (Elates ransonnettii) Scientific name: Elates ransonnettii Steindachner, 1876 The Dwarf flathead (Elates ransonnettii) is a marine fish of the family Platycephalidae. Native range: Western Central Pacific, Gulf of Thailand and the Philippines to Papua New Guinea and northern Queensland, Australia. BiologyDorsal spines (total): 6; Dorsal soft rays (total): 12-14; Anal spines: 0; Anal soft rays: 12 - 14. Rear edge of maxilla ends below anterior nostril, well in front of eye. Preopercular spine single, long, bayonet-like, reaching to or past rear opercular margin, accessory spine lacking. Caudal fin emarginate, upper lobe longest, bearing an elongate filament. Dorsal and anal fin rays usually 13. Lateral line scales often about 94.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameElates ransonnettiiFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length19.0Common length15.0Depth range5–53 m (16–174 ft)EnvironmentMarine; demersal; depth range 5 - 53 mClimateTropicalDistributionWestern Central Pacific: Gulf of Thailand and the Philippines to Papua New Guinea and northern Queensland, Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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