A giant clam reacting to a darkening stimulus above its mantle. Vision by bivalves. The behavior is akin to a string exhalation by a ... ... <看更多>

Quick facts about the biggest bivalve in the ocean! The giant clam (Tridacna). Giant clam facts! They are also featured in Animal Crossing. ... <看更多>

Clams have eyes? Giant clams have several hundred small pinhole eyes known as 'hyaline organs' on their exposed mantle! These eyes act as ... ... <看更多>

Jan 24, 2015 - Giant Clam- Clams have shells in two halves with a hinge joining the halves. Clams don't have eyes or brains. ... <看更多>