branchia
/ˈbræŋkiə/
noun
- The gills of a fish, crab, or other aquatic animal; the organ used for breathing underwater.
- Marine biologists study the structure of the branchia to understand how fish breathe.
- The fish's branchia are bright red because they are full of blood vessels.
- A crab's branchia must stay moist to absorb oxygen from water.
Synonyms