Amia calva (Bald friend, American mud fish)

Amia Calva is a freshwater fish that belongs to the friend's family. It is commonly called common catfish or river catfish. He is from rivers and lakes in eastern United States and Canada, although it is also found in other parts of the world where it has been introduced.

Common catfish is about 60 centimeters long and weighs on average 3.6 kg. It has an elongated shape and a very large caudal finish tail, which allows it to swim quickly. His skin is covered with small scales and has two back fins and an anal fin.

The common catfish has a dark gray-green color on the top and whitish on the belly, with black vertical stripes on the side of its body. The color of her eyes varies depending on her environment, ranging from light yellow to red.

Common catfish is an active predator that feeds mainly on smaller fish, but it can also eat crustaceans, insects and amphibians. He hunts in a group and uses his speed and agility to catch his prey.

Common catfish is considered an undeveloped species and is widespread in rivers and lakes in eastern United States and Canada. It is sometimes used as aquarium fish, although it can be aggressive towards other species.