Monday, April 13, 2026

Colorful fans

  

Wow!  Eric took some striking photos of featherduster worms last weekend.  This is Serpula columbiana, a marine worm that lives in a white calcareous tube and uses its broad fan to filter food from the surrounding water.

The round, trumpet-like structure is an opercular plug.  When the fan is withdrawn into the tube, the plug seals the opening to protect the worm within.

I'm a big fan of these beautiful tubeworms, and Serpula columbiana comes in lots of different color forms, so here are two more examples:

 
 
 
Photographed in a large, fairly deep tidepool in the intertidal zone in Oregon.  Nicely done, Eric!

4 comments:

  1. These are exquisite. I thought nudibranches were as beautiful as you could get!

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  2. Beautiful creatures and incredible photography. Thank you, Eric ~ and Jackie for posting these. What an amzing world we live in.

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