There are three ways for fish to communicate. The first is to produce sound, fish and terrestrial animals are different, their vocal parts are not vocal cords, or even not fixed, most fish rely on the swim bladder to produce sound. The second is through color, many fish can change their skin color, become lighter or darker, so that they can communicate with other fish, but also can play a deterrent effect. The third way is through electricity, which is mainly found in electric eels, which can discharge continuously and use it to transmit messages.
1. Vision: Fish do not have strong vision. They can only see objects near them. However, with the help of water refraction, they can also know the situation above the water surface. Moreover, their visual range is very wide. They can see everything at 180 degrees.
2. Hearing: The hearing range of fish is relatively narrow, and only a few fish are very sensitive. And the vibrations don't just transmit information to them through the ears, the lateral lines can also receive signals brought about by sound vibrations.
3. Taste: Fish also have a sense of taste, and their taste buds are widely distributed. Not only in the mouth, but also as long as they are close to the food, they can taste the taste and judge whether the other person can eat it or not.
4. Olfaction: The olfaction of fish is quite different from that of terrestrial animals. The olfaction of terrestrial animals mainly captures volatile gases, while fish can sense the changes of amino acids in water, so as to determine the water quality and the location of food.
