Happy as a clam: Dive with the world's largest bivalves, or just kick back, in Fiji fair. Jordan Riefe / Monique De Caro Consider the giant clam. A simple bivalve of two equal shells connected by a ...

Giant clams, some of the largest mollusks on Earth, have long fascinated scientists. These impressive creatures can grow up to 4.5 feet in length and weigh over 700 pounds, making them icons of ...

Giant clams thrive thanks to algae living inside their bodies, which feed them sugar made from sunlight. Scientists have now uncovered genetic adaptations that allow the clams to welcome these algae ...