HomeFish encyclopediaRay-finned fishesPerch-like fishLabrisomidsMargarita blenny Margarita blenny (Malacoctenus margaritae) Scientific name: Malacoctenus margaritae Fowler, 1944 The Margarita blenny (Malacoctenus margaritae) is a marine fish of the family Labrisomidae. Native range: Eastern Pacific Ocean, from Panama and Costa Rica. Former subspecies Malacoctenus margaritae mexicanus elevated to species level. BiologyMalacoctenus margaritae differs from Malacoctenus mexicanus by the following characters: symphysial pores 1-4, usually 2-4 (vs. 1-4, usually 1); scales between anterior lateral line and the dorsal contour 3-4, usually 3 (vs. 4-5, usually 4); length of the third pelvic-fin ray is shorter and body marking is considerably more distinct in Malacoctenus margaritae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMalacoctenus margaritaeFamilyLabrisomidae (Labrisomids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.5EnvironmentMarine; demersalClimateTropicalDistributionEastern Pacific Ocean: from Panama and Costa Rica. Former subspecies Malacoctenus margaritae mexicanus elevated to species level.Conservation status (IUCN)Least Concern (LC)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