mudbugs and freshwater lobsters. Crayfish keep streams cleaner by eating decaying plants and animals. They are eaten, in turn, by fish, birds, reptiles, amphibians and mammals, making them an ...

They eat our native freshwater mussels ... So that’s a big impact." They have become the predominant crayfish in the Susquehanna River and they also occur in the Delaware River in southeastern ...

As one of the largest macroinvertebrates, freshwater crayfish play a crucial role in the ecosystems they inhabit. However, understanding their global distribution has been historically difficult ...

NASHVILLE, Tenn.— In response to a legal petition and lawsuit from the Center for Biological Diversity, the U.S. Fish and Wildlife Service today proposed to protect four freshwater mussels and a ...