Fish can make sound, but the vocal organ is not fixed, the more common is the swim bladder. They usually make sounds when attacked to frighten their enemies, and also when courting, mainly because males make sounds to attract females.
1, flat fin American toadfish: This fish is a kind of toadfish, mainly inhabiting the eastern Pacific Ocean, during the day will be buried in the sand to rest, at night will come out to feed. It can make sounds with the swim bladder, when contracting the muscles on the side of the swim bladder, it causes the wall of the swim bladder to vibrate, thus making a sound similar to a motorcycle, mainly used for courtship.
2. African cichlid: African cichlid is an ornamental fish of cichlidae, suitable for living in warm water, mostly feeding on aquatic plants, snails, etc. Its character is lively, like to forage in groups, some species have the function of mouth hatching, others like to play with shells. When they enter the breeding season, the male will attract the female by shaking his body and flicking his tail, and in the process, he will make some sounds.
3. Painted goby: The painted goby is a small carnivorous fish with a slender body, two dorsal fins, a rounded tail, and bright colors. The male of this fish will make a courtship call when he finds a female, and the female will also make a call when choosing a mate.
