Red-Tailed Shark

By: the Editors of Publications International, Ltd.

Red-Tailed Shark -- epalzeorhynchus bicolorSee more aquarium fish pictures.
© Aaron Norman

Scientific name: Epalzeorhynchus bicolor

The Red-Tailed Shark is not really a shark, despite its triangular dorsal fin and its common name. It grows to a length of five inches and is not particularly fond of its own kind. Either just one or a group of at least four or five should be kept in a tank. It is best to provide hiding places, and the Red-Tailed Shark prefers to have strong currents in the tank.


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The Red-Tailed Shark is among the more attractive bottom dwellers, but its color will fade in poor-quality water. A water temperature of 74º to 82º Fahrenheit, a neutral pH of 6.8 to 7.2, and water that is moderately soft to slightly hard are suitable. It does well on flake and freeze-dried foods.

To learn more about freshwater aquariums, see: