HomeMarine aquarium fishGobies, blennies & dottybacksWavy-lined blenny Wavy-lined blenny (Entomacrodus decussatus) Scientific name: Entomacrodus decussatus Bleeker, 1858 The Wavy-lined blenny (Entomacrodus decussatus) is a marine fish of the family Blenniidae. Native range: Pacific Ocean, Thailand to the Society Islands, north to Ryukyu Islands, south to New Caledonia and Tonga. BiologyDorsal spines (total): 13; Dorsal soft rays (total): 16-17; Anal spines: 2; Anal soft rays: 17 - 19Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEntomacrodus decussatusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length19.0EnvironmentMarine; reef-associatedClimateTropicalDistributionPacific Ocean: Thailand to the Society Islands, north to Ryukyu Islands, south to New Caledonia and Tonga.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More gobies, blennies & dottybacksFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasYellowhead jawfishOpistognathus aurifronsYaeyama blennyEcsenius yaeyamaensisReef margin blennyEntomacrodus striatusSee 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