HomeMarine aquarium fishGobies, blennies & dottybacksReef margin blenny Reef margin blenny (Entomacrodus striatus) Scientific name: Entomacrodus striatus Valenciennes, 1836 The Reef margin blenny (Entomacrodus striatus) is a marine fish of the family Blenniidae. BiologyDorsal spines (total): 12 - 14; Dorsal soft rays (total): 14-16; Anal spines: 2; Anal soft rays: 15 - 18. Small dark spots on body; upper lip uniformly dusky or with scattered spots; pale area behind eye followed by an irregular dark mark.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEntomacrodus striatusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.0EnvironmentMarine; reef-associatedClimateTropicalDistributionIndo-Pacific: East Africa to the Line and Ducie islands, north to the Ryukyu, Bonin, and Marcus islands (reported farther north to Wakayama Prefecture in Japan, ), south to Lord Howe and Rapa islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasYellowhead jawfishOpistognathus aurifronsDelicate blennyGlyptoparus delicatulusRed-spotted blennyBlenniella chrysospilosSee all gobies, blennies & dottybacks SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026