HomeMarine aquarium fishGobies, blennies & dottybacksWhitecap goby Whitecap goby (Lotilia graciliosa) Scientific name: Lotilia graciliosa Klausewitz, 1960 The Whitecap goby (Lotilia graciliosa) is a marine fish of the family Gobiidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: Indo-Pacific, Red Sea to the western Pacific, north to the Ryukyu Islands, south to Rowley Shoals; Palau, Guam and Marshall Islands in Micronesia. Whitecap goby care at a glanceTemperature22–26°C (72–79°F) BiologyDorsal spines (total): 7; Dorsal soft rays (total): 9-10; Anal spines: 1; Anal soft rays: 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLotilia graciliosaFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.5Depth range20 m (66 ft)EnvironmentMarine; reef-associated; depth range ? - 20 m, usually ? - 20 mClimateTropicalDistributionIndo-Pacific: Red Sea to the western Pacific, north to the Ryukyu Islands, south to Rowley Shoals; Palau, Guam and Marshall Islands in Micronesia.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 aurifronsGold-streaked prawn-gobyCtenogobiops aurocingulusAmbanoro prawn-gobyVanderhorstia ambanoroSee 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