Padilla Bay National Estuarine Research Reserve. The Eelgrass Isopod, Idotea resecata, occurs from Prince William Sound, Alaska, to Mazatlan, Mexico, on Macrocystis or eelgrass (Zostera sp.), which it eats. The body is brown when living on Macrocystis and green when living on eelgrass.

Image ID: nerr0801, NOAA's Estuarine Research Reserve Collection
Location: North Puget Sound, Anacortes, Washington


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