HomeFish encyclopediaRay-finned fishesPerch-like fishCombtooth blenniesRock-pool blenny Rock-pool blenny (Parablennius parvicornis) Scientific name: Parablennius parvicornis Valenciennes, 1836 The Rock-pool blenny (Parablennius parvicornis) is a marine fish of the family Blenniidae. Native range: Atlantic Ocean, Mauritania to Congo, including the Canary Islands, Cape Verde and Madeira. Also reported from Morocco and the Azores. BiologyInhabits the shallow littoral zone, in areas exposed to sunlight, between algae-covered pebbles. Feeds almost exclusively on algae. Oviparous. Eggs are demersal and adhesive.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParablennius parvicornisFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0Depth range0–1 m (0–3 ft)EnvironmentMarine; demersal; depth range 0 - 1 mClimateSubtropicalDistributionAtlantic Ocean: Mauritania to Congo, including the Canary Islands, Cape Verde and Madeira. Also reported from Morocco and the Azores.Conservation status (IUCN)Least Concern (LC)Threat 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