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The Vaal Orange largemouth yellowfish (Labeobarbus kimberleyensis) and the Vaal Orange smallmouth yellowfish (Labeobarbus aeneus) are endemic to the Orange Vaal River system. The former is recognised as being vulnerable according to the IUCN Red Data Listing process. The latter is under high angling pressure. Both species are sensitive to water pollution, habitat destruction and harvesting pressure. They are both noted as being great angling species while from a conservation ...