HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesKrefft's frillgoby Krefft's frillgoby (Bathygobius kreftii) Scientific name: Bathygobius kreftii Steindachner, 1866 The Krefft's frillgoby (Bathygobius kreftii) is a brackish-water fish of the family Gobiidae. Native range: Indo-West Pacific, New South Wales, southern Queensland and upper Spencer Gulf in South Australia. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBathygobius kreftiiFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0EnvironmentMarine; brackish; demersalClimateTemperateDistributionIndo-West Pacific: New South Wales, southern Queensland and upper Spencer Gulf in South Australia.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