HomeMarine aquarium fishGobies, blennies & dottybacksOcular blenny Ocular blenny (Ecsenius oculus) Scientific name: Ecsenius oculus Springer, 1971 The Ocular blenny (Ecsenius oculus) is a marine fish of the family Blenniidae. Native range: Western Pacific, definitely known only from southern Ryukyu Islands, southern Taiwan, and the Philippines and Papua New Guinea. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 12-15; Anal spines: 2; Anal soft rays: 14 - 17. Anterior nostril with a cirrus on posterior margin only. three or more pairs of dark, round spots with pale margins on sides of body.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEcsenius oculusFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.0Depth range4–15 m (13–49 ft)EnvironmentMarine; reef-associated; depth range 4 - 15 mClimateTropicalDistributionWestern Pacific: definitely known only from southern Ryukyu Islands, southern Taiwan, and the Philippines and Papua New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksPersian blennyEcsenius midasYellow prawn-gobyCryptocentrus cinctusFire gobyNemateleotris magnificaYellowhead jawfishOpistognathus aurifronsSpotty blennyLaiphognathus multimaculatusHairtail blennyXiphasia setiferSee 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