HomeFish encyclopediaRay-finned fishesPuffers and FilefishesFilefishesPorky Porky (Stephanolepis auratus) Scientific name: Stephanolepis auratus Castelnau, 1861 The Porky (Stephanolepis auratus) is a marine fish of the family Monacanthidae. Native range: Western Indian Ocean, Zanzibar, Tanzania to Knysna, South Africa. BiologyDorsal spines (total): 2; Dorsal soft rays (total): 28-34; Anal spines: 0; Anal soft rays: 30 - 34. Greenish grey in color with scattered irregular blotches on side of body; soft dorsal, anal and pectoral fins pale; caudal fin with 2 dark curved cross bars.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameStephanolepis auratusFamilyMonacanthidae (Filefishes)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length28.0EnvironmentMarine; demersalClimateTropicalDistributionWestern Indian Ocean: Zanzibar, Tanzania to Knysna, South Africa.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