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Purple Mahogany Clam

Nuttallia obscurata


Nuttallia obscurata is a species of saltwater clam, a marine bivalve mollusk in the family Psammobiidae. Easily recognized by the dark mahogany brown and purple colors.


Spotted at Dash Point State Park beach at low tide where a fresh water creek flows into Puget Sound, which is typical for this clam. Native to Japan.


An introduced species from Asia and considered invasive in Washington state.

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1 Comment

Leuba Ridgway
Leuba Ridgway 2 years ago

Interesting spotting.

Spotted by

Federal Way, Washington, USA

Spotted on Mar 9, 2019
Submitted on Mar 10, 2019

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