HomeMarine aquarium fishGobies, blennies & dottybacksCleaner goby Cleaner goby (Elacatinus genie) Scientific name: Elacatinus genie B?hlke & Robins, 1968 The Cleaner goby (Elacatinus genie) is a marine fish of the family Gobiidae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: Western Central Atlantic, Bahamas and Grand Cayman Island. Cleaner goby care at a glanceTemperature23–28°C (73–82°F) BiologyDorsal spines (total): 7 - 8; Dorsal soft rays (total): 10-11; Anal spines: 1; Anal soft rays: 10 - 11. Whitish with two black stripes, one middorsal and the other lateral on head but passing to lower side on body, both ending in caudal fin; pale band separating two black stripes bright yellow on head, this band narrowing as it passes anteriorly, forming a V on top of snout with band of other side.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameElacatinus genieFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.5EnvironmentMarine; reef-associated, usually 1 - 30 mClimateTropicalDistributionWestern Central Atlantic: Bahamas and Grand Cayman Island.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More gobies, blennies & dottybacksYellowhead jawfishOpistognathus aurifronsFire gobyNemateleotris magnificaYellow prawn-gobyCryptocentrus cinctusPersian blennyEcsenius midasNineline gobyGinsburgellus novemlineatusRed-lined sleeperValenciennea immaculataSee 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