Invasive sea lampreys, grotesque parasites with rows of teeth inside their circular mouths that drain the blood of fish, ...

An aggressive species of invasive seagrass that has been traversing the oceans for more than a century has been detected in the U.S. for the first time. Halophila stipulacea, a small-body seagrass ...

Researchers found evidence of European green crabs in the northern Whidbey Basin, a sign that one of the world’s most harmful ...

Researchers recorded lemon sharks (Negaprion brevirostris) preying on an invasive species, the jaguar cichlid (Parachromis ...

Climate change is one of the top threats to vulnerable species around the world, driving widespread losses of plants and ...

In a quiet but telling sign of change, researchers have detected an invasive barnacle species in the icy waters of Arctic Canada — a region long considered too cold and remote for most non-native ...

Marine invasive species represent one of the most pressing challenges facing ocean biodiversity today. Their introduction, often facilitated by global shipping, aquaculture and changing climatic ...

An invasive species of fish that can live out of water has been found lurking in Canada, experts warn. The Department of Fisheries and Oceans Canada confirmed reports of Misgurnus anguillicaudatus -- ...

November, a Chinese mitten crab was caught in shallow water in the Willamette River. The species of crab is illegal to ...

A Chinese mitten crab, an invasive and prohibited species in Oregon, was found in the Willamette River last month, according ...