Sessile Hydrozoan

Dynamena dalmasi

• Group: Other
• Typical depth: 8–366 m

This hydroid builds branching colonies of paired cups on coastal and reef hard ground, from about 8 metres down to over 350. Each tiny polyp sits in its own protective cup and reaches out to snare drifting food.

Taxonomy: Animalia › Cnidaria › Hydrozoa › Leptothecata › Sertulariidae › Dynamena

Species data via the World Register of Marine Species (WoRMS), AphiaID 117886.