HomeMarine aquarium fishGobies, blennies & dottybacksEmerald coral goby Emerald coral goby (Paragobiodon xanthosoma) Scientific name: Paragobiodon xanthosoma Bleeker, 1852 The Emerald coral goby (Paragobiodon xanthosoma) is a marine fish of the family Gobiidae. Native range: Indo-Pacific. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 8-10; Anal spines: 1; Anal soft rays: 8 - 9. Green to greenish yellow in color, often with a dark caudal margin; adults with elongate flaps on top of head. Transverse scales 10. Mouth nearly vertical, lips thick. Head and nape naked to first dorsal fin origin. Gill opening located at same level as pectoral base. Ventral small; first dorsal and anal lower than 2nd dorsal; pectoral extends beyond anus; caudal rounded. Scales less firmly attached than other congeneric species.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParagobiodon xanthosomaFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.0EnvironmentMarine; reef-associatedClimateTropicalDistributionIndo-Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasFire gobyNemateleotris magnificaYellowhead jawfishOpistognathus aurifronsRedhead gobyParagobiodon echinocephalusSpinecheek gobyOplopomus oplopomusSee 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