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Echiuroidea
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Invertebrates of the Salish Sea
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Invertebrates of the Salish Sea
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Image of Urechidae
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Rosario Beach Marine Laboratory
Invertebrates of the Salish Sea
In this view of the same individual as above taken a few seconds later, a wave of peristalsis can be seen traveling along the body.
Image of Urechis Seitz 1907
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Rosario Beach Marine Laboratory
Invertebrates of the Salish Sea
Urechis caupo, about 20 cm long, in an artificial burrow in Monterey Bay Aquarium. The head is to the top right. (Photo by: Dave Cowles, August 2010 )