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