Blue crabs and rock crabs, too, are dying, officials said.

The rock crab has recently become a popular culinary item.

"In the Life lab, we have rock crabs and burrow worms over four hundred years old."

Those who call it a sand crab say the rock crab is not anywhere near as delicate or sweet.

I suspect sand crabs and rock crabs are the same thing.

And the Latin name for rock crab is Cancer irroratus.

Its factories, employing hundreds of people, process snow crab, rock crab, and lobster.

Many people fish for Dungeness crab, rock crab, and shrimp.

Predators include Pacific cod, river otters and red rock crab.

This species is easily confused with the red rock crab, Cancer productus.