swim bladder

Example Sentences

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Otophysan fish improved this pathway by adding small bony "ossicles" that connect the air bladder, often mistakenly called the swim bladder, to the inner ear.

From Science Daily • Nov. 3, 2025

All bony fish have a swim bladder, a gas-filled organ which helps them remain under the water.

From BBC • Feb. 26, 2024

The vaquitas are caught and drown in illegal gill nets set for Totoaba, a Gulf fish whose swim bladder is considered a prized delicacy in China, worth thousands of dollars per pound.

From Seattle Times • Aug. 30, 2023

One large and endangered fish in the region, the totoaba, has made the situation particularly volatile because its swim bladder commands high prices in Asia, attracting illegal trafficking and organized crime.

From New York Times • Jun. 7, 2023

The air sac has become a swim bladder.

From The Elements of Geology by Norton, William Harmon