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Agassiz's Peanut Worm or Pacific Peanut Worm

Phascolosoma Agassizii


A small peanut worm with a rough texture and dark coloring around the extendable front end.


Found being pushed around in gentle surf among rocks near Monterey Harbor.


Thought it was a tunicate at first. The movements of the extendable apparatus were quite cool to watch.

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Spotted by

Monterey, California, USA

Spotted on Feb 24, 2014
Submitted on Sep 2, 2014

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