HomeMarine aquarium fishGobies, blennies & dottybacksPoison goby Poison goby (Gobiodon citrinus) Scientific name: Gobiodon citrinus R?ppell, 1838 The Poison goby (Gobiodon citrinus) is a marine fish of the family Gobiidae. In the aquarium it needs water at 22–27°C (72–81°F). Native range: Indo-West Pacific, Red Sea south to Delagoa Bay, Mozambique and east to Samoa, north to southern Japan, south to the Great Barrier Reef. Poison goby care at a glanceTemperature22–27°C (72–81°F) BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9-11; Anal spines: 1; Anal soft rays: 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGobiodon citrinusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.6EnvironmentMarine; reef-associated, usually 2 - 20 mClimateTropicalDistributionIndo-West Pacific: Red Sea south to Delagoa Bay, Mozambique and east to Samoa, north to southern Japan, south to the Great Barrier Reef.Conservation status (IUCN)Not EvaluatedThreat to humansOtherUsesAquarium: 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 aurifronsStarry dragonetSynchiropus stellatusDisco blennyMeiacanthus smithiSee 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