2. How big the catfish can grow.

3. How big can perch grow in a year?

4. How big can the willow bream grow?

1. bream is not particularly big, its weight is generally between 1-3 kg, and its body length is generally about 40 cm.

2. Some bream is relatively large, which can grow to about 5 kilograms, but such a large bream is not common.

3. Specifically, different individuals have different body shapes, and water temperature, water quality, food and other factors will affect body shapes.

If the living environment is suitable and there is enough food, they can grow relatively bigger.

But if the environment is poor, they won't grow up.