A mussel has been captured on video flapping its mantle in an attempt to lure a fish to involuntarily serve as a host for its larvae. The short clip, which was posted online by the West Virginia ...

The once green-hued waters of Cass Lake have become gin clear, a consequence of the dime-sized filter-feeders’ prodigious capacity to hoover up plankton and reproduce at astonishing rates. Credit: ...

It all begins with a flicker of movement as a crayfish scuttles across the riverbed. A smallmouth bass spies the commotion and swims down, thinking it can snag an easy lunch. Then something strange ...