In members of this genus the tube may have longitudinal ridges. The operculum has two tiers, a basal funnel of rused radii and a distal crown of chitinized spines. Interradiolar membrane generally absent. In this species the spines on the operculum are smooth.
This is one of several Hydroides species commonly found on ship hulls and has probably thus been transported around the world.
Hard substrates such as intertidal rocks, to depth of 5 m.
Recorded in Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed