boxfish
/ˈbɑːksˌfɪʃ/
noun
- A tropical fish with a hard, box-like body covered in bony plates, found in warm ocean waters.
- The aquarium has a special tank for the boxfish because of its unique shape.
- Divers often spot a colorful boxfish hiding among the rocks.
- The boxfish moved slowly through the coral reef, its rigid body making it look like a tiny box.