HomeMarine aquarium fishGobies, blennies & dottybacksHector's goby Hector's goby (Koumansetta hectori) Scientific name: Koumansetta hectori Smith, 1957 The Hector's goby (Koumansetta hectori) is a marine fish of the family Gobiidae. In the aquarium it needs water at 22–30°C (72–86°F). Native range: Indo-West Pacific, Red Sea, Aldabra, Seychelles, Ryukyu Islands, Yaeyama Islands; Palau, Truk, and Pohnpei in Micronesia. Hector's goby care at a glanceTemperature22–30°C (72–86°F) BiologyDorsal spines (total): 7; Dorsal soft rays (total): 15-16; Anal spines: 1; Anal soft rays: 15 - 16. Has a similar pattern to that of A. rainfordi, but is bluish-black rather than green, with yellow longitudinal stripes and a chain of ocelli from the base of the second dorsal fin to the upper caudal rays.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameKoumansetta hectoriFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.5EnvironmentMarine; reef-associated, usually 5 - 20 mClimateTropicalDistributionIndo-West Pacific: Red Sea, Aldabra, Seychelles, Ryukyu Islands, Yaeyama Islands; Palau, Truk, and Pohnpei 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 aurifronsAmbanoro prawn-gobyVanderhorstia ambanoroNocturn gobyAmblygobius nocturnusSee 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