HomeFish encyclopediaRay-finned fishesCarpsAlgae eatersSpotted algae eater Spotted algae eater (Gyrinocheilus pennocki) Scientific name: Gyrinocheilus pennocki Fowler, 1937 The Spotted algae eater (Gyrinocheilus pennocki) is a freshwater fish of the family Gyrinocheilidae. Native range: Asia, Mekong basin. BiologyDorsal soft rays: 11; Vertebrae: 41 - 43. Large tubercles on sides of head in larger specimens; dark spot just behind spiracle; all fins strongly spotted; 10 branched dorsal-fin rays.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGyrinocheilus pennockiFamilyGyrinocheilidae (Algae eaters)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length28.0EnvironmentFreshwater; demersal; potamodromousClimateTropicalDistributionAsia: Mekong basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026