The giant clam, or Tridacna gigas, is the world's largest marine bivalve mollusk, a group of invertebrate animals with ...

A large fossilised clam shell, believed to have been formed 180,000 years ago, has failed to sell at auction. The 110cm (3.5ft)-wide shell, found in Kenya in 2017, is considered unusual as both ...

and weigh up to 250 kg Around 200 tonnes of illegally harvested giant clam shells worth nearly $25 million (£18 million) have been seized in the Philippines. The seizure is one of the largest ...