For decades, the Signal Crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia and ...

Buskin Lake’s 20-plus year infestation of invasive signal crayfish is likely on the wane, Sunaq Tribe biologist Matt Van ...

So, I think that helps us because we refine the models, so they get better.” And during a discussion with SIGNAL Media, Garciga said Army officials have already seen an example of that type of mistake ...

A PROPOSED relief road in Watlington has been delayed by the possible presence of a rare species of crayfish. Oxfordshire County Council is seeking to convene an extraordinary meeting of its planning ...

Two new species of crayfish have been identified in the Pacific Northwest region of North America, and researchers say both ...

University researchers discovered two new crayfish species in the Pacific Northwest, now threatened by invasive species.