HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesGladiator goby Gladiator goby (Gladiogobius ensifer) Scientific name: Gladiogobius ensifer Herre, 1933 The Gladiator goby (Gladiogobius ensifer) is a brackish-water fish of the family Gobiidae. Native range: Indo-Pacific, Red Sea to western New Guinea, north to the Yaeyamas in the southern Ryukyus; Palau in Micronesia. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 10. Large spine at lower posterior edge of preoperculum.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGladiogobius ensiferFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length7.5EnvironmentMarine; brackish; reef-associated; depth range 0 - ? mClimateTropicalDistributionIndo-Pacific: Red Sea to western New Guinea, north to the Yaeyamas in the southern Ryukyus; Palau in Micronesia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026