HomeFreshwater aquarium fishOther freshwater fishGossamer blenny Gossamer blenny (Omobranchus ferox) Scientific name: Omobranchus ferox Herre, 1927 The Gossamer blenny (Omobranchus ferox) is a freshwater fish of the family Blenniidae. BiologyDorsal spines (total): 11 - 13; Dorsal soft rays (total): 20-23; Anal spines: 2; Anal soft rays: 22 - 26. head without cirri; lower end of gill opening usually opposite 4th or 5th pectoral fin ray; sensory pores in infraorbital an interorbital canals mostly 8 and 3 respectively; lateral line tubes 1 to 4. A good diagnostic characteristic is a short diagonal line found just behind the eye.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOmobranchus feroxFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionAfrica and Asia: brackish waters of Lake Poelela and Delagoa Bay (South Africa) to India, Sri Lanka, New Guinea and the Philippines. Reported from the Ryukyu 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 fishSouth American lungfishLepidosiren paradoxaLined soleAchirus lineatusPumpkinseedLepomis gibbosusShort-tailed pipefishMicrophis brachyurus brachyurusFinescale tigerfishDatnioides microlepisFreshwater garfishXenentodon cancilaSee 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