HomeFish encyclopediaRay-finned fishesClingfishesClingfishes and singleslitsEastern clingfish Eastern clingfish (Aspasmogaster costata) Scientific name: Aspasmogaster costata Ogilby, 1885 The Eastern clingfish (Aspasmogaster costata) is a marine fish of the family Gobiesocidae. Native range: Southwest Pacific, New South Wales to Western Port, Australia. BiologyDorsal soft rays (total): 8-9; Anal soft rays: 6 - 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAspasmogaster costataFamilyGobiesocidae (Clingfishes and singleslits)OrderGobiesociformes (Clingfishes)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentMarine; demersalClimateSubtropicalDistributionSouthwest Pacific: New South Wales to Western Port, 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