barrelfish
/ˈbɛrəlˌfɪʃ/
noun
- A large, dark-colored fish found in deep ocean waters, also known as the rudderfish or black rudderfish.
- Scientists study barrelfish to learn about deep-sea ecosystems.
- The fishermen caught a barrelfish near the continental shelf.
- Barrelfish are sometimes sold in markets as a food fish.