HomeFish encyclopediaRay-finned fishesPerch-like fishGobiesConcave goby Concave goby (Glossogobius concavifrons) Scientific name: Glossogobius concavifrons Ramsay & Ogilby, 1886 The Concave goby (Glossogobius concavifrons) is a freshwater fish of the family Gobiidae. Native range: Oceania, Fly-Strickland system of Papua New Guinea and northern part of Cape York Peninsula, Australia. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 10-11; Anal spines: 1; Anal soft rays: 8 - 9Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGlossogobius concavifronsFamilyGobiidae (Gobies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentFreshwater; demersalClimateTropicalDistributionOceania: Fly-Strickland system of Papua New Guinea and northern part of Cape York Peninsula, Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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