HomeFreshwater aquarium fishOther freshwater fishFreshwater blenny Freshwater blenny (Salaria fluviatilis) Scientific name: Salaria fluviatilis Asso, 1801 The Freshwater blenny (Salaria fluviatilis) is a freshwater fish of the family Blenniidae. In the aquarium it needs water at 18–24°C (64–75°F). Freshwater blenny care at a glanceTemperature18–24°C (64–75°F) BiologyDorsal spines (total): 12 - 13; Dorsal soft rays (total): 16-17; Anal spines: 2; Anal soft rays: 16 - 19. This species is distinguished from its congeners in European inland waters by the following combination of characters: a broad diagonal band of tiny dots running from eye backward and downward; branched cirrus above eye; head length 25-31% SL; upper jaw with 16-24 teeth, lower jaw with 16-20; A II,16-19; D XII-XIII,16-17.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSalaria fluviatilisFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Common length8.0EnvironmentFreshwater; brackish;; pH range: 6.5 - 7.5; dH range: 8 - 12 demersalClimateSubtropicalDistributionAfrica: rivers and brooks in Algeria and Morocco flowing to the Mediterranean; including Israel. Europe: Albania, Croatia, France, Greece, Italy, Montenegro and Spain; Portugal. Asia: Turkey.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec = 200) More other freshwater fishLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSouth 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