1. Different shapes: Catfish have an elongated body, a flat head, and a flat tail. The mouth is in the lower position, the mouth cleft is small, and the end only reaches below the edge of the eye. Protruding jaw. The interdentals are thin and villi-shaped. The jaw teeth and pear teeth are arranged in a curved belt shape. The pear bone tooth belt is continuous and the middle part of the posterior edge is slightly concave. The bonefish has a longer body, the front part of the body is wider than the back part, the head is smaller, the snout is slightly pointed, the mouth is sub-terminal, the body surface is smooth and scaleless, the mucus is rich, the lateral line is complete, and there are obvious lateral line holes on the skin.

2. Different distribution areas: Catfish are distributed all over the world. The bonefish originates from the New Arctic and is found in Quebec and the eastern and northern United States, as well as in northern Mexico.

3. Different living habits: Catfish mainly live in the middle and lower layers of rivers, lakes, reservoirs, and ponds. They mostly move along the coast. They mostly hide under grass, rocks or deep water during the day, and look for fish at night. Eating activities are frequent. The prey targets are mostly small fish such as meal sticks, crucian carp, goby fish, wheat ear fish, carp, loach, etc. It also eats shrimps and aquatic insects. In rivers, lakes, reservoirs and ponds, barracuda can spawn under rocky protrusions, or under submerged trees, stumps, tree roots, or in caves in river channels.

Extended information:

Notes:

1. Nocturnal catfish are omnivorous fish. When choosing fry, you must not only choose healthy and disease-free ones. For fry, be sure to choose fish that are basically the same size, otherwise they will kill each other.

2. Also maintain good water quality and sufficient oxygen in the water to prevent fish from dying and catfish being greedy.

3. When feeding feed, we should not only pay attention to nutritional matching, but also pay attention to quantity control, feed at designated points and on time, and eat small amounts with frequent meals.

4. You must also pay attention to the prevention and control of parasites and diseases, change water, clean and sterilize in time, otherwise you may be wiped out if you are not careful.

Baidu Encyclopedia - Barracuda

Baidu Encyclopedia - Catfish