HomeMarine aquarium fishGobies, blennies & dottybacksHarlequin prawn-goby Harlequin prawn-goby (Cryptocentrus caeruleopunctatus) Scientific name: Cryptocentrus caeruleopunctatus R?ppell, 1830 The Harlequin prawn-goby (Cryptocentrus caeruleopunctatus) is a marine fish of the family Gobiidae. In the aquarium it needs water at 22–28°C (72–82°F). Native range: Western Indian Ocean, known only from the Red Sea. Harlequin prawn-goby care at a glanceTemperature22–28°C (72–82°F) BiologyFound on open sand bottoms of clear water reefs. Lives in association with alpheid shrimps.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCryptocentrus caeruleopunctatusFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0EnvironmentMarine; reef-associated, usually 2 - 15 mClimateTropicalDistributionWestern Indian Ocean: known only from the Red Sea.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 midasHelfrichs' dartfishNemateleotris helfrichiBlue-striped cave gobyTrimma tevegaeSee 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