noun
- Plural of hydromedusa; free-swimming medusoid forms of hydrozoans, typically bell-shaped jellyfish-like organisms with tentacles.
Usage: biology; zoology; technical
Examples
- The hydromedusae drift through the ocean currents, feeding on small plankton.
- Marine biologists collected several hydromedusae specimens for laboratory study.
- Hydromedusae are the sexual reproductive stage of many hydrozoan species.
- The transparent bodies of hydromedusae allow light to pass through them.
- Researchers observed the pulsating movements of hydromedusae under the microscope.