HomeFish encyclopediaRay-finned fishesCatfishSqueakers or upside-down catfishesPennant-tailed suckermouth Pennant-tailed suckermouth (Chiloglanis anoterus) Scientific name: Chiloglanis anoterus Crass, 1960 The Pennant-tailed suckermouth (Chiloglanis anoterus) is a freshwater fish of the family Mochokidae. Native range: Africa, Endemic to the escarpment streams of the Pongolo and Incomati River systems. BiologyOccurs in rocky riffles and rapids. Feeds on insects such as mayfly nymphs and blackfly larvae grazed from rocks. Its spines protect it from predators such as trout. Breeds during the summer. Oviparous. Is an occasional aquarium species.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChiloglanis anoterusFamilyMochokidae (Squeakers or upside-down catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length9.0EnvironmentFreshwater; benthopelagicClimateSubtropicalDistributionAfrica: Endemic to the escarpment streams of the Pongolo and Incomati River systems.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tmax=2.5) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026