noun
- a marine gastropod mollusk that has gills behind the heart, including sea slugs and sea hares
Usage: zoological
Examples
- The colorful opisthobranch glided across the coral reef.
- Marine biologists study opisthobranchs to understand mollusk evolution.
- This species of opisthobranch feeds on algae and small organisms.
- The diving team photographed several opisthobranchs during their underwater survey.
- Opisthobranchs are known for their diverse body forms and feeding habits.