Definitions
There is 1 meaning of the phrase
Swim Bladder.
Swim Bladder - as a noun
An air-filled sac near the spinal column in many fishes that helps maintain buoyancy
Synonyms (Exact Relations)
air bladderfloatExample Sentences
"The swim bladder is an organ found in most fish that helps them control their buoyancy."
"A swim bladder can be filled with gas or controlled by specialized muscles."
"Fish with a damaged swim bladder may have difficulty maintaining their position in the water."
"The swim bladder acts like a floatie, helping fish to stay at a specific depth."
"The size of a fish's swim bladder can vary depending on the species."