Sea otters ate multiple crab species, allowing snails, which crabs eat, to thrive. The snails then ate more algae that had ...

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

Green crab abundance was consistently lowest in Elkhorn Slough, the only California estuary with sea otters, the paper published in the journal Biological Invasions found.

Pinpointing the location of sea otter populations, versus green crabs. Research coordinator Kerstin Wasson, Ph.D., says the modeling seems to confirm the trend, more otters, fewer crabs.

A crab became a snack for a sea predator with “stinging tentacles” on an Oregon shoreline, a photo shows. The crustacean was snagged by a carnivorous giant green anemone at the Seal Rock State ...

Bering Sea snow crab, with two specimens seen in this undated photo, support an iconic Alaska seafood harvest, but a crash in population triggered two consecuctive years of closure, starting in 2022.

Bering Sea red king crab, after past years of volatility, appear to have stabilized at levels that are lower than in the past but that can still support some harvesting, Stichert said.