HomeMarine aquarium fishGobies, blennies & dottybacksYaeyama blenny Yaeyama blenny (Ecsenius yaeyamaensis) Scientific name: Ecsenius yaeyamaensis Aoyagi, 1954 The Yaeyama blenny (Ecsenius yaeyamaensis) is a marine fish of the family Blenniidae. Native range: Indo-West Pacific, Sri Lanka to Vanuatu, north to Taiwan and the Yaeyama Islands, south to Shark Bay and the southern Great Barrier Reef; Belau in Micronesia. BiologyDorsal spines (total): 11 - 13; Dorsal soft rays (total): 13-15; Anal spines: 2; Anal soft rays: 14 - 17. Y-shaped mark on pectoral fin base.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEcsenius yaeyamaensisFamilyBlenniidae (Combtooth blennies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.0Depth range0–15 m (0–49 ft)EnvironmentMarine; reef-associated; depth range 0 - 15 mClimateTropicalDistributionIndo-West Pacific: Sri Lanka to Vanuatu, north to Taiwan and the Yaeyama Islands, south to Shark Bay and the southern Great Barrier Reef; Belau in Micronesia.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 aurifronsComical blennyEcsenius opsifrontalisWavy-lined blennyEntomacrodus decussatusSee 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