noun
- a cartilaginous fish with a long whip-like tail, found in deep waters of the Pacific Ocean
Usage: marine biology
Examples
- The ratfish is a primitive cartilaginous fish related to sharks and rays.
- Marine biologists discovered a new species of ratfish in the deep Pacific waters.
- The ratfish uses its whip-like tail for swimming through the ocean depths.
- Commercial fishermen occasionally catch ratfish as bycatch in their nets.
- The spotted ratfish is commonly found along the Pacific coast of North America.
- Ratfish have a distinctive appearance with their large eyes and elongated bodies.