HomeFreshwater aquarium fishOther freshwater fishTentacled blenny Tentacled blenny (Parablennius tentacularis) Scientific name: Parablennius tentacularis Br?nnich, 1768 The Tentacled blenny (Parablennius tentacularis) is a brackish-water fish of the family Blenniidae. BiologyAdults occur over sandy bottoms with boulders and light vegetation. They hide in crevices where the nests are being guarded by the male. Oviparous. Eggs are demersal and adhesive.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParablennius tentacularisFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range3–15 m (10–49 ft)EnvironmentMarine; brackish; demersal; depth range 3 - 15 mClimateSubtropicalDistributionEastern Atlantic: coast of Portugal, Spain and Morocco south to Guinea. Also in all parts of the Mediterranean (except Syria, Lebanon, Israel and Egypt), in the Sea of Marmara and the Black Sea, and Canary Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More other freshwater fishFinescale tigerfishDatnioides microlepisShort-tailed pipefishMicrophis brachyurus brachyurusFreshwater garfishXenentodon cancilaPumpkinseedLepomis gibbosusLined soleAchirus lineatusSouth American lungfishLepidosiren paradoxaSee all other freshwater fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026