HomeMarine aquarium fishGobies, blennies & dottybacksSmooth-fin blenny Smooth-fin blenny (Ecsenius frontalis) Scientific name: Ecsenius frontalis Valenciennes, 1836 The Smooth-fin blenny (Ecsenius frontalis) is a marine fish of the family Blenniidae. Native range: Western Indian Ocean, known only from Red Sea, including gulfs of Aqaba and Suez, and the westernmost part of the Gulf of Aden. BiologyFound among corals. Oviparous. Eggs are demersal and adhesive.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEcsenius frontalisFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.0EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Indian Ocean: known only from Red Sea, including gulfs of Aqaba and Suez, and the westernmost part of the Gulf of Aden.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasBanda comb-toothEcsenius bandanusRed Sea mimic blennyEcsenius gravieriSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026