👉 Calathina, also known as the calathus, is a type of freshwater fish native to South America and parts of Africa. It's a member of the family Theropoda, which includes other small fish like the chimaera, which are invertebrates. These fish have a streamlined body shape with a long tail for swimming and feeding. Calathina are known for their unique coloration, with bright green scales that resemble the colors of leaves on trees.
