How big does the Raft Hydroid get?

The Raft Hydroid grows to about 0.3 cm.

Raft Hydroid

Porpita porpita

Group: Other
Max size: 0.3 cm

The raft hydroid floats at the surface as a flat blue disc, a whole colony of polyps hanging beneath a single buoyant float. It drifts at the mercy of wind and current alongside other surface drifters, trailing stinging tentacles to catch small animals below.

Taxonomy: Animalia › Cnidaria › Hydrozoa › Anthoathecata › Porpitidae › Porpita

Species data via the World Register of Marine Species (WoRMS), AphiaID 117831.

FAQ

How big does the Raft Hydroid get?: The Raft Hydroid grows to about 0.3 cm.