HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesRusi blenny Rusi blenny (Mimoblennius rusi) Scientific name: Mimoblennius rusi Springer & Spreitzer, 1978 The Rusi blenny (Mimoblennius rusi) is a marine fish of the family Blenniidae. Native range: Western Indian Ocean, Natal, South Africa and the islands of Mauritius and Comoros. BiologyDorsal spines (total): 12 - 13; Dorsal soft rays (total): 17-18; Anal spines: 2; Anal soft rays: 20 - 21. Pale with dusky margins on head and body; body sometimes with dusky bands; dark spot between 1st 2 dorsal spines.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMimoblennius rusiFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0Depth range2 m (7 ft)EnvironmentMarine; demersal; depth range 2 - 2 mClimateSubtropicalDistributionWestern Indian Ocean: Natal, South Africa and the islands of Mauritius and Comoros.Conservation status (IUCN)Not EvaluatedThreat 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