swim bladder

音标发音

Indeed, the world’s 37 species of seahorse are fish, breathing through gills and using a swim bladder to control their buoyancy.
事實上，世界現存37種的海馬是魚類，他們用腮呼吸，用魚鰾控制他們在水中的沉浮。
Many fish larvae hatch without fully formed pectoral fins and all hatch without a swim bladder, so similar problems could occur for them.
很多小魚孵化出來時，胸鰭還沒有完全成形，而且所有的魚孵化時都還沒有形成魚鰾。所以，它們可能會麪臨相似的不善於遊泳的問題。
New species include a camouflaged gecko, a fanged frog and a fish called the Henamo grunter, named because it makes grunting noises from its swim bladder.
新發現的物種包括一種善於偽裝的壁虎、一種赤蛙以及一種稱爲赫那莫石鱸（Henamo grunter）的魚，之所以起這麽一個英文名是因爲這種魚的魚鰾（swim bladder）會發出一種呼嚕呼嚕的聲音。

an organ like a bag inside a fish that holds air so that it does not sink and stays in the correct position