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.

Mollusc shells (especially those formed by marine species) are very durable and outlast the otherwise soft-bodied animals that produce them by a very long time (sometimes thousands of years even without being fossilized). Most shells of marine molluscs fossilize rather easily, and fossil mollusc shells date all the way back to the Cambrian period.

These bottom-dwelling behemoths are the largest mollusks on Earth, capable of reaching 4 feet in length and weighing more than 500 pounds. They live in the warm waters of the South Pacific and...

The giant clam, also known as Tridacna gigas, is the largest living bivalve mollusk in the world. It can weigh up to 500 pounds and measure over four feet in length, making it a true giant of the ocean. The largest giant clam ever recorded was found off the coast of …

This enormous shellfish, an inhabitant of tropical seas, is the world’s largest bivalve mollusc alive today and the heaviest of all living bivalve molluscs. Specimens grow up to 1.3 m and can weigh up to 300 kg.

Living up to its name, the giant clam is the largest living bivalve mollusk and can be identified by the iconic zig-zag shaped mantle of their shells. Learn more.

The giant clam (Tridacna gigas) is one of the ocean’s most remarkable bivalves, renowned for its immense size and vibrant colors. Found in the warm waters of the South Pacific and Indian Oceans, this magnificent mollusk can grow up to four feet in length and weigh over 500 pounds, making it the largest living bivalve.

2020年8月28日 · Giant clams have multiple vertical folds in their thick, heavy shells that give them their characteristic wavy opening. Unlike other species of clams, this one can never completely close its shell to protect its soft mantle, which is usually yellow, golden brown, or green and marked with iridescent blue, purple, or green spots as well as clear ...

This is the largest living bivalve mollusk. The shell may reach up to 1.5 meters in length. They are characterized by having 4 to 5 large, inward facing triangular projections of the shell aperture, thick, heavy shells without scutes (juveniles may have …

2017年9月6日 · Compared with the prism-nacre microstructure of mollusc shells, the crossed-lamellar architecture of the T. derasa shell is highly mineralized with only 0.9 wt% total organic content compared with greater than 3 wt% in nacre .