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swim bladder
Sign in to saveAlso known as gas bladder, air bladder
gas-filled organ that contributes to the ability of a fish to control its buoyancy
~16 min read
Encyclopedic overview
The swim bladder of a rudd
Internal positioning of the swim bladder of a bleak S: anterior, S': posterior portion of the air bladder œ: œsophagus; l: air passage of the air bladder
Excerpted from Wikipedia’s “swim bladder” article, available under the CC BY-SA 4.0 licence.