Giant clams are the largest living bivalve molluscs. Several other species of "giant clam" in the genus Tridacna are often misidentified as Tridacna gigas. These clams were known to indigenous peoples of East Asia for thousands of years and the Venetian scholar and explorer Antonio Pigafetta documented them in a journal as early as 1521.

2022年1月5日 · Giant clams are bottom dwelling behemoths, big ol’ bivalves, that live in tropical waters across the Pacific and Indian oceans. These jumbo clams are ginormous, with some species growing to 4 feet long and weighing 500 pounds.

2023年11月13日 · Humans may be fascinated by the giant clam’s beautiful colors and large size. The clam is an average size of 4 feet, which is similar to the average-sized human. The average human male is around 5 feet and 6 inches tall, and the average human female is around 5 feet and 2 inches tall.

The giant clam (Tridacna gigas) faces significant challenges from both natural and human-induced threats, leading to its categorization as critically endangered according to the IUCN Red List. Natural predators, environmental stressors, and coral reef degradation pose risks to their survival, with habitat destruction from storms and cyclones ...

Learn more about the giant clam, the 500-pound mollusk that spends its life anchored to a reef. See how symbiotic relationships with algae allow them to thrive.

2021年7月6日 · Before the Christianity that now dominates Palauan religion sailed in on 18th- century mission ships, the culture’s creation lore began with a giant clam called to life in an empty sea. The...

Giant clams are hermaphroditic, producing both eggs and sperm. A fully-grown giant clam can release over 500 million eggs in one go. As they cannot fertilise themselves, they reproduce through broadcast spawning.

2013年11月6日 · South Pacific legends describe giant clams as man-eaters. The largest of all molluscs, giant clams, were once thought to be voracious predators that wait patiently on the seafloor to trap an unsuspecting swimmer.

Giant clams are large mollusks belonging to the Tridacna family. Like oysters and mussels, giant clams are bivalves. This means that they have no head, and a compressed body hidden in a shell that has two hinged parts. The largest species, known as the gigas giant clam, is the largest mollusk in the world.

The Giant Clam is the largest immobile mollusk in the world, with the occasional Giant Clam individual reaching nearly 6 feet in length although the average is 4 feet (1.2 meters) in length and up to 500 pounds (227 kilograms) in weight. The origin of the word “clam” comes from the prehistoric Germanic root word “klam”, which meant ...