KnowraSwim bladderLinked fromLinked fromThe 37 pages that link to Swim bladder, each with the reason it gives.All 37Broader topic 1Related 33Compared with 3Lobe-finned fishCompared with: Its contrast with lungs highlights alternative outcomes of an ancient respiratory organ.LungfishCompared with: Lungfish lungs are evolutionarily related to gas-filled organs but function in breathing air.Antarctic toothfishCompared with: Unlike many bony fishes, toothfish lack a swim bladder and rely on other means of controlling buoyancy.