HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesSmaragdus pygmy goby Smaragdus pygmy goby (Eviota smaragdus) Scientific name: Eviota smaragdus Jordan & Seale, 1906 The Smaragdus pygmy goby (Eviota smaragdus) is a marine fish of the family Gobiidae. Native range: Western Pacific, Ryukyu Islands to Samoa, south to Scott Reef and Norfolk Islands; Guam and Marshall Islands in Micronesia. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 8-9; Anal spines: 1; Anal soft rays: 7 - 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEviota smaragdusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length2.3EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Pacific: Ryukyu Islands to Samoa, south to Scott Reef and Norfolk Islands; Guam and Marshall Islands in Micronesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026