HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesTusk goby Tusk goby (Amoya signata) Scientific name: Amoya signata Peters, 1855 The Tusk goby (Amoya signata) is a marine fish of the family Gobiidae. Native range: Western Indian Ocean, Mozambique and Reunion. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 8-9; Anal spines: 1; Anal soft rays: 9. Sides with dark spots along midline; males with dark spot on upper pectoral base; 1st dorsal fin with dark stripe near base and a black spot at rear of fin; pelvic fins with a black band.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmoya signataFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.5EnvironmentMarine; demersalClimateSubtropicalDistributionWestern Indian Ocean: Mozambique and Reunion.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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