What's inside a clam? A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl. And you thought oysters were fancy. Following is the transcript of the video.

Oysters are the primary producers of pearls, clams and mussels can also create pearls, though this is much less common. Most pearls come from oysters, which thrive in both freshwater and saltwater ...

Pearls are made by marine oysters and freshwater mussels as a natural defence against an irritant such as a parasite entering their shell or damage to their fragile body. The oyster or mussel slowly ...

Japan's akoya oysters have been preëminent among cultured pearls ever since Kokichi Mikimoto first established the industry in the early part of this century. But since 1994, something has been ...

This taken in August 2023 shows Gu Zhifeng, a professor at Hainan University, and other researchers about to set the ...

Pearls are the result of a mollusc's reaction to irritants ... These translucent animals are known to swim inside clams and oysters to hide from predators. However, for the individual that concealed ...