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

<strong>Stiff Penshell</strong>
<em>Atrina rigida</em> / Bivalve
Sanibel Island, FL
Dec. 18, 2009

Stiff Pen shells have sharp points on the upper edges. The white foot of this live Pen Shell is visible. The animal uses the foot to bury into the s...
Stiff Penshell
Atrina rigida / Bivalve
Sanibel Island, FL
Dec. 18, 2009

Stiff Pen shells have sharp points on the upper edges. The white foot of this live Pen Shell is visible. The animal uses the foot to bury into the sand. I photographed it in the touch tank at the Tarpon Bay Education Center.

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