HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesBarebreast goby Barebreast goby (Silhouettea sibayi) Scientific name: Silhouettea sibayi Farquharson, 1970 The Barebreast goby (Silhouettea sibayi) is a freshwater fish of the family Gobiidae. Native range: Africa, Lake St. Lucia, Lake Sibayi and Kosi Bay, South Africa. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 11; Anal spines: 1; Anal soft rays: 13. Body pale with red and brown flecks; series of small black spots along mid side; anterior portion of 1st dorsal fin dusky; pelvic and anal fin margins normally black.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSilhouettea sibayiFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range20 m (66 ft)EnvironmentMarine; freshwater; brackish; demersal; amphidromous; depth range ? - 20 mClimateSubtropicalDistributionAfrica: Lake St. Lucia, Lake Sibayi and Kosi Bay, South Africa.Conservation status (IUCN)Endangered (EN) (B1ab(iii)+2ab(iii))Threat 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