HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesCommafin goby Commafin goby (Caffrogobius saldanha) Scientific name: Caffrogobius saldanha Barnard, 1927 The Commafin goby (Caffrogobius saldanha) is a brackish-water fish of the family Gobiidae. Native range: Southeast Atlantic, Namibia to East London, South Africa. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9-11; Anal spines: 1; Anal soft rays: 9 - 10. Body with spots forming irregular longitudinal rows; black spot on posterior end of spinous dorsal; large males with faint vertical bands anteriorly; all fins (except caudal fin) dusky.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCaffrogobius saldanhaFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range7 m (23 ft)EnvironmentMarine; brackish; demersal; depth range ? - 7 mClimateSubtropicalDistributionSoutheast Atlantic: Namibia to East London, South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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