HomeMarine aquarium fishOther marine fishWrasse blenny Wrasse blenny (Hemiemblemaria simulus) Scientific name: Hemiemblemaria simulus Longley & Hildebrand, 1940 The Wrasse blenny (Hemiemblemaria simulus) is a marine fish of the family Chaenopsidae. Native range: Western Atlantic, southern Florida, USA and the Bahamas to Central America. BiologyLives in holes in coral and rock, but leaves burrow to swim freely in water column. Mimics the bluehead, Thalassoma bifasciatum, in order to get close to small fish and shrimps on which it preys. Also feeds on copepods.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemiemblemaria simulusFamilyChaenopsidae (Pike-, tube- and flagblennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range20 m (66 ft)EnvironmentMarine; reef-associated; depth range ? - 20 mClimateTropicalDistributionWestern Atlantic: southern Florida, USA and the Bahamas to Central America.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercial More other marine fishGiant kelpfishHeterostichus rostratusPirate blennyEmblemaria piratulaHairy blennyLabrisomus nuchipinnisSailfin blennyEmblemaria pandionisRosy blennyMalacoctenus macropusSaddled blennyMalacoctenus triangulatusSee all other marine fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026