Fish can drink, but pay attention to the concentration and dosage. If a small amount of intake, the fish will feel drunk, unable to maintain the balance of the body, resulting in turning over, and sometimes even showing the belly. If the intake is too large, alcohol damages their digestive system, which can damage their body and lead to the death of fish.
1. Spindle shape: Spindle shape is the most common shape of fish, also known as the basic shape, which is very suitable for swimming in the water, because the resistance encountered when moving forward is the least. Generally speaking, this kind of fish inhabits in the middle and upper layers of the water body, and can migrate for a long time.
2. Stick shape: The stick shape looks like a snake, which is the shape of fish such as eels and eels. Their bodies are very long, and they usually live in caves in the soil at the bottom of the water, and some can even dig holes. The swimming ability of this fish is second only to that of the spindle, and better than that of the other two.
3. Flat type: The flat type is a fish that looks very thin, and the fins on both sides are very wing-like, such as manta rays, rays, rays, etc. This kind of fish also lives on the bottom of the water, moves slowly, and is far less flexible than other fish.
4, side flat type: side flat type of fish looks like a sail, the left and right axis is particularly short, usually living in the middle and lower layers of water, such as pomfret, bream, swallow fish, etc., swimming ability is not very strong.