Many species in the family Balitoridae, also known as the hill stream loaches. Many species in the family Loricariidae from South and Central America Many Chiloglanis species, which are freshwater catfish from Africa The family Gyrinocheilidae. Rheophilic cichlid genera/species . The Lamena group in the genus Paretroplus from Madagascar. Oxylapia polli from Madagascar. Retroculus species from the Amazon Basin and rivers in the Guianas in South America. Steatocranus species from the Congo River Basin in Africa. Teleocichla species from the Amazon Basin in South America. Teleogramma species from the Congo River Basin in Africa. Ossubtus xinguense from the Xingu River in Brazil Tometes species from tropical South America The Danube streber (Zingel streber), family Percidae. Leuciscus idus, a freshwater cyprinid
Many species in the family Balitoridae, also known as the hill stream loaches. Many species in the family Loricariidae from South and Central America Many Chiloglanis species, which are freshwater catfish from Africa The family Gyrinocheilidae. Rheophilic cichlid genera/species : The Lamena group in the genus Paretroplus from Madagascar. Oxylapia polli from Madagascar. Retroculus species from the Amazon Basin and rivers in the Guianas in South America. Steatocranus species from the Congo River Basin in Africa. Teleocichla species from the Amazon Basin in South America. Teleogramma species from the Congo River Basin in Africa. Mylesinus, Myleus, Ossubtus, Tometes and Utiaritichthys, which are serrasalmids from tropical South America The Danube streber (Zingel streber), family Percidae. Leuciscus idus, a freshwater cyprinid
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Ossubtus xinguense from the Xingu River in Brazil Tometes species
Mylesinus, Myleus, Ossubtus, Tometes and Utiaritichthys, which are serrasalmids