Bugula pacifica is an abundant erect tree bryozoan that has a spiral branching pattern. Bugula pacifica colonies tend to live on hard substrata (such as rocks or docks) but is also sometimes found on seaweeds.

Ancestrula (first zooid after larval settlement)


 


Small Colony (top view)


 

Medium Colony

 

Magnification of Zooids


 

On Kelp

 

 

Small Colony