New genetic research on the Alaska red king crab reveals previously undiscovered diversity among different regions, ...

West coast states are spending millions to protect their inland waterways from invasive crabs. In some places, otters are ...

A recent study found sea otters are eating thousands of green crabs at a California reserve, reducing the invasive species’ population.

NPR's Juana Summers speaks to researcher Rikke Jeppesen about her work on how sea otters, which were hunted to almost near extinction, have been able to thrive by eating up to 120,000 crabs a year.

Bugoynes, located in the northernmost part of Norway, was a small village with a population ... the increase in the invasive species 'king crab' and Russia's invasion of Ukraine.

Biologists blamed the rapid decline of snow crab on a 2018 climate-fueled heatwave. Some fishermen are still reeling as they face a murky future.