Rock Scallop

tan rock scallop attached to rock underwater
Rock Scallop. NOAA

Quick Facts
Type: Mollusk

Diet: Omnivore; Phytoplankton, bits of ocean waste

Average lifespan: 20 years

Average size: 6-10 in.

Average weight: Unknown

Did You Know?
Many animals, including sponges, sea anemones, and barnacles, make their home on the shells of rock scallops. These parasites can either be beneficial or harmful; some help to protect scallops from predators, while others damage scallops' shells by boring holes into them.

Last updated: November 16, 2016