Pink salmon, purple Asian clams, marine invertebrates that form spaghetti-like colonies and a nematode worm that causes extensive deaths of trees are among the new entries in an experts' watchlist of ...

The new European green crab sightings come shortly after Oregon officials discovered a new shellfish threat: Chinese mitten ...

creating an early warning system for fisheries so managers can take steps to help salmon survive. Rising temperatures can also expand the range of invasive species, which cost the U.S. economy ...

Pink salmon, Purple Asian clams ... deaths of trees are among the new entries in experts' watchlist of invasive non-native species that could threaten Great Britain in the next 10 years.