The discovery that flathead catfish in the Susquehanna River are consuming so many rusty crayfish—themselves an invasive species that are largely supplanting native crayfish species in the U.S ...

The discovery that flathead catfish in the Susquehanna River are consuming so many rusty crayfish — themselves an invasive species that are largely supplanting native crayfish species in the U.S.

CHARLESTON, W.Va.— Following a petition and lawsuit by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today designated 446 stream miles of critical habitat for the Big Sandy ...

Since joining the Watershed Sciences and Engineering Program in 2010, Sean has completed a number of mussel, snail, and crayfish surveys in the central Susquehanna River region. His work is shedding ...

The discovery that flathead catfish in the Susquehanna River are consuming so many rusty crayfish -- themselves an invasive species that are largely supplanting native crayfish species in the U.S ...

The discovery that flathead catfish in the Susquehanna River are consuming so many rusty crayfish — themselves an invasive species that are largely supplanting native crayfish species in the U.S ...