HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesLagoon goby Lagoon goby (Tasmanogobius lasti) Scientific name: Tasmanogobius lasti Hoese, 1991 The Lagoon goby (Tasmanogobius lasti) is a brackish-water fish of the family Gobiidae. Native range: Eastern Indian Ocean, southern Australia. BiologyDorsal spines (total): 7 - 10; Dorsal soft rays (total): 12-15; Anal spines: 0 - 1; Anal soft rays: 12 - 15. Remarks: caudal fin rounded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTasmanogobius lastiFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.5EnvironmentMarine; brackish; demersalClimateSubtropicalDistributionEastern Indian Ocean: southern 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