swim bladder

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

They found that the fish, Danionella cerebrum, drums out a powerful rhythm on an organ called a swim bladder.

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

Their lungs evolved from their swim bladder — the internal pool float that helps them hold to a certain depth.

From New York Times • Feb. 10, 2021

On the line of the ancestry of most modern fishes its duct was closed and it became the swim bladder used in flotation and balancing.

From The Elements of Geology by Norton, William Harmon