As of 2014, the animal known to have lived the longest life is a quahog clam. The clam, found in 2007 near Iceland, is believed to have been 405 years old. However, quahog clams typically do not live for that length of t... More »

www.reference.com Pets & Animals Marine Life

The animal with the longest known lifespan is the ocean quahog, which lives for approximately 400 years. While some forms of ocean life, such as sea sponges, are believed to live very long, precise data on their lifespan... More »

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An ocean quahog, Arctica islandica, is presently the animal with the longest-known lifespan for a non-colonial animal. Caught in 2006, the clam was discovered to have lived for 507 years. More »

An ocean quahog, Arctica islandica, is presently the animal with the longest-known lifespan for a non-colonial animal. Caught in 2006, the clam was discovered to have lived for 507 years. More »

The angelwing clam, Cyrtopleura costata, is a large clam that can be found from Massachusetts to the Carolinas, down through the Caribbean and to the coast of Brazil. It gets its name because the shape of its fragile she... More »

www.reference.com Pets & Animals Marine Life

Coquina is the common name for Donax variabilis, a small clam found along the eastern shores of the United States from New York to Texas. The clams are edible and are also used for decoration. More »

www.reference.com Pets & Animals Marine Life

Clams with a tightly closed shell are alive and can be safely eaten. According to the U.S. Food and Drug Administration, tapping the shell of an open clam that is alive causes the shell to immediately close. Clams that r... More »