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Acadia National Park Pink seastar sits in tidepool.
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Acadia National Park
Field Guide to Marine Invertebrates

This field guide will help you identify some of the marine invertebrates in the intertidal zone along the coast of Mount Desert Island. Explore the categories below to see descriptions and photos of some of the species you might find.

The field guide was developed by Sarah Hall and Joseph Stachelek, under the guidance of Professor Susan Brawley, for their senior capstone project at the University of Maine.

To learn how to have a safe, fun experience in the intertidal zone, read about tidepooling.

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Last Updated: February 11, 2009 at 17:42 MST