HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsWhite-margined flathead White-margined flathead (Sorsogona humerosa) Scientific name: Sorsogona humerosa Knapp & Heemstra, 2011 The White-margined flathead (Sorsogona humerosa) is a marine fish of the family Platycephalidae. Native range: Western Indian Ocean, Mozambique. BiologyDorsal spines (total): 8; Dorsal soft rays (total): 12; Anal soft rays: 12; Vertebrae: 27. This species is distinguished by the following characters: l2 soft dorsal- and anal-fin rays; pelvic fins with several dark blotches; anterior lateral line scales with a small spine; 10-11 gill rakers on first arch; circa 8 horizontal scale rows above lateral line; lower lip without papillae; 2 vertical dark bands on caudal fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSorsogona humerosaFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length12.5Depth range59–61 m (194–200 ft)EnvironmentMarine; benthopelagic; depth range 59 - 61 mClimateTropicalDistributionWestern Indian Ocean: Mozambique.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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