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Showing results for swim bladder. Search instead for swim+bladder.
Synonyms

swim bladder

American  

noun

  1. air bladder.


swim bladder British  

noun

  1. ichthyol another name for air bladder

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of swim bladder

First recorded in 1830–40

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

When the cartilage is released it hits the 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

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

It corresponds with the swim bladder of most modern fishes, and appears to have had a common origin with it.

From The Elements of Geology by Norton, William Harmon