All photographs copyright (2003-2013) by Kris H. Light

<strong>Piddock Clam</strong>
<em>Penitella penita</em>
These Rock-burrowing mollusks have a shell with a rough set of ridges that they use to grind holes in solid rock, a pretty good way to protect themselves! Clams are filter feeders. These animals...
Piddock Clam
Penitella penita
These Rock-burrowing mollusks have a shell with a rough set of ridges that they use to grind holes in solid rock, a pretty good way to protect themselves! Clams are filter feeders. These animals can live in the rocks up to 8 years. When they die, they leave an empty hole that can be used by crabs, sea anemones and other animals (called "metabiosis".

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