The Red-Tailed Black Shark (Epalzeorhynchos bicolor or Labeo bicolor) is a freshwater fish. It is a carp, not a shark.
The Red-Tailed Black Shark has a dark black body and a bright orange or red tail. Its caudal fin (tail fin) is forked. It haslarge dark eyes.

Red-Tailed Black Shark
It grows to about 16 centimetres (6 inches) long.
The Red-Tailed Black Shark is native to Thailand.
It can live up to about 8 years.

Red-Tailed Black Shark

Red-Tailed Black Shark
Photographer: Martina Nicolls
Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM