An invader from the Atlantic, the green crab, has spread throughout the bay since 1990.

The recent appearance of the green crab in one such bay is "an eyebrow-raiser," he said.

The schoolmaster is telling the class all about how to look after the school pet, a green crab.

They are commonly observed feeding on green crabs and small fish.

The green crab is too small to be a marketable replacement.

In Bodega Harbor, green crabs can be collected by the score.

The removal of the green crabs are essential in research into the dwindling fish stocks on the East Coast.

I found one fat green crab wedged under an outcropping of rock.

He finds out there is some giant green hermit crab using the ship as a shell.

Dorothy stooped to get a drink and discovered in the water a green crab, about as big as her hand.