Lionfish decimating tropical fish populations, threaten coral reefs The invasion of predatory lionfish in the Caribbean region poses yet another major threat there to coral reef ecosystems - a new study has found that within a short period after the entry of lionfish into an area, the survival of other reef fishes is slashed by about 80 percent. view more (2008-07-21)
Invasive species threaten critical habitats, oyster among victims A study of oyster reefs in a once-pristine California coastal estuary found them devastated by invasive Atlantic Coast crabs and snails, providing new evidence of the consequences when human activities move species beyond their natural borders. view more (2009-07-20)