HomeFish encyclopediaRay-finned fishesPerch-like fishLabrisomidsBelted blenny Belted blenny (Malacoctenus zonogaster) Scientific name: Malacoctenus zonogaster Heller & Snodgrass, 1903 The Belted blenny (Malacoctenus zonogaster) is a marine fish of the family Labrisomidae. Native range: Eastern Pacific, Baja to Peru and the Galapagos Islands. BiologyLives in tide pools, shallow, rocky, boulder strewn areas and walls. Prefers deeper water habitats.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMalacoctenus zonogasterFamilyLabrisomidae (Labrisomids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.5Depth range0–5 m (0–16 ft)EnvironmentMarine; reef-associated; depth range 0 - 5 mClimateTropicalDistributionEastern Pacific: Baja to Peru and the Galapagos Islands.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmless SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026