Sea Thread Hydroid
Obelia dichotoma
- Group: Other
- Typical depth: 0–275 m
A colonial hydroid that grows in branching threads on docks, reef rubble and quiet bay bottoms from the surface down to a few hundred metres. Each tiny polyp catches plankton with a ring of tentacles, and the colony can carpet hard surfaces in shallow water.
Taxonomy: Animalia › Cnidaria › Hydrozoa › Leptothecata › Campanulariidae › Obelia
Species data via the World Register of Marine Species (WoRMS), AphiaID 117386.
FAQ
- How deep does the Sea Thread Hydroid live?
- The Sea Thread Hydroid (Obelia dichotoma) is typically found at 0–275 m.