Red-tailed black shark (Epalzeorhynchos bicolor)

The red-tailed black shark is a species of freshwater fish in the carp family, Cyprinidae. It is endemic to Thailand and it is currently evaluated as critically endangered by the IUCN. From 1996 until 2011 it was believed to be Extinct in the Wild. Red-tailed black sharks can reach a length of 12 cm. They can live up to eight years. It is common in aquaria, where it is prized for its deep black body and vivid red or orange tail. The red-tailed black sharks seen in the aquarium trade today are all captive bred. Typically they are aggressive chasers, but will rarely bite or harm other fish. It is an omnivore.

photo credits: aquaboutique