Tilapia has fewer thorns. Although tilapia has spines, it is a fish with fewer spines according to the number of fishbones. The thorns on tilapia are basically only large thorns distributed in the center of the body, and there are some bigger thorns next to them, and there are few small thorns.

Tilapia is welcomed by many people because of its few fishbones, and it is chosen as food by many people. But if they are used as ingredients, we should pay attention to the spikes on their dorsal fins, which have certain toxicity. Be careful not to prick your hands when handling, and wash tilapia to avoid parasites on it.

Living habits of tilapia

Nile tilapia is a tropical fish, the optimum temperature range is 65438 38℃, the optimum growth temperature is 24 32℃, and it grows fastest at 30℃. The upper limit of lethal temperature is 42 degrees, and the lower limit is 10 degrees. 15 anorexia 14. 10 degree no food.

Nile tilapia generally lives at the bottom of the water. It swims to the upper middle layer with the change of water temperature in the morning, near the water surface at noon, to the lower middle layer at night, and rests at the bottom at night and dawn. Young fish like to swim in groups. When an adult fish encounters an enemy or trawl, it jumps first and then dives into the soft mud at the bottom, with its mouth sticking out of the mud.