Explain the importance of the swim bladder in the life of bony fish.
| February 16, 2021 | education
The swim bladder is an outgrowth of the esophagus. It is permeated with a dense network of capillaries. Inside it is filled with different gases. The main function is hydrostatic. With the help of the swim bladder, fish can sink and float, changing the pressure in the bladder. When the bubble expands, the body weight of the fish decreases, and when it contracts, it increases. This happens without energy consumption.
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