Human Uses
In some Asian cultures, the swim bladders of certain large sea fishes are considered a food delicacy. It is usually served braised or in stews. Swim bladders are also used in the food industry as a source of collagen. They can also be made into a strong, water-resistant glue, or used to make isinglass for the clarification of beer.
The gas/tissue interface at the swim bladder produces a strong reflection of sound, which is used in sonar equipment to find fish.
Read more about this topic: Swim Bladder
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