HomeFish encyclopediaRay-finned fishesPerch-like fishSleepersThroat-spine gudgeon Throat-spine gudgeon (Belobranchus belobranchus) Scientific name: Belobranchus belobranchus Valenciennes, 1837 The Throat-spine gudgeon (Belobranchus belobranchus) is a freshwater fish of the family Eleotridae. Native range: Asia and Oceania, Indonesia, Philippines, and New Guinea. BiologyDorsal spines (total): 7; Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 7Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBelobranchus belobranchusFamilyEleotridae (Sleepers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length19.5EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionAsia and Oceania: Indonesia, Philippines, and New Guinea.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