Sessile Hydrozoan

Acaulis primarius

Sessile Hydrozoan

This solitary hydroid lives anchored to hard bottoms in gulfs and estuaries from about twenty to several hundred metres down. It skips the free swimming jellyfish stage entirely, releasing young straight from its stalk rather than budding off medusae.

Taxonomy: Animalia › Cnidaria › Hydrozoa › Anthoathecata › Acaulidae › Acaulis

Species data via the World Register of Marine Species (WoRMS), AphiaID 117260.

FAQ

How deep does the Sessile Hydrozoan live?
The Sessile Hydrozoan (Acaulis primarius) is typically found at 20–350 m.