noun
- a type of soft-bodied marine gastropod mollusk that lacks a shell and has external gills
Usage: marine biology
Examples
- The colorful nudibranch glided gracefully across the coral reef.
- Marine biologists discovered a new species of nudibranch in the deep ocean.
- The nudibranch’s feathery gills were clearly visible on its back.
- Divers often photograph nudibranchs because of their vibrant colors.
- This nudibranch feeds on small hydroids and sponges.
- The nudibranch’s body was translucent with bright orange spots.