HomeFreshwater aquarium fishLoachesSpotted coolie / Eel loach Spotted coolie / Eel loach (Pangio muraeniformis) Scientific name: Pangio muraeniformis de Beaufort, 1933 Photo: https://www.ecologyasia.com/verts/fishes/spotted_eel-loach.htm The Spotted coolie / Eel loach (Pangio muraeniformis) is a freshwater fish of the family Cobitidae. Native range: Asia, Peninsular Malaysia, Indonesia and Singapore. BiologyInhabits shaded forest streams with acid water. Lives among dense submerged vegetation and leaf litter.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePangio muraeniformisFamilyCobitidae (Loaches)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length3.6EnvironmentFreshwater; brackish; demersalClimateTropicalDistributionAsia: Peninsular Malaysia, Indonesia and Singapore.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: potential More loachesStone loachBarbatula barbatulaBotia kubotaiSchistura mahnertiPseudogastromyzon cheniBeaufortia kweichowensisLiniparhomaloptera disparis disparisSee all loaches SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026