HomeMarine aquarium fishGobies, blennies & dottybacksMertens' prawn-goby Mertens' prawn-goby (Vanderhorstia mertensi) Scientific name: Vanderhorstia mertensi Klausewitz, 1974 The Mertens' prawn-goby (Vanderhorstia mertensi) is a marine fish of the family Gobiidae. In the aquarium it needs water at 20–26°C (68–79°F). Native range: Indo-West Pacific, Red Sea and Japan. Reported from Papua New Guinea and the Great Barrier Reef. Mertens' prawn-goby care at a glanceTemperature20–26°C (68–79°F) BiologyOccurs in coastal reefs, on sand or mud. Hovers near the entrance of burrowsSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameVanderhorstia mertensiFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.0Depth range2–10 m (7–33 ft)EnvironmentMarine; reef-associated; depth range 2 - 10 m, usually 2 - 10 mClimateTropicalDistributionIndo-West Pacific: Red Sea and Japan. Reported from Papua New Guinea and the Great Barrier Reef.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 midasYellownose gobyElacatinus randalliBarsnout gobyElacatinus illecebrosusSee 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