During the summer of nineteen forty-one, every morning McCall Purnell and I would get my small boat and go out to catch shellfish called crabs.

VOA: special.2009.02.14

The findings of classical conditioning have been extended and replicated in all sorts of animals including crabs, fish, cockroaches and so on.

经典条件作用在所有的动物研究中,都得到了扩展和重复,这些动物包括了螃蟹，鱼类，蟑螂等。

耶鲁公开课 - 心理学导论课程节选

Louisiana is the nation's leading producer of shrimp, oysters,crabs,crawfish and alligators.

VOA: special.2010.05.04

Watermen on our island sell crabs and eat crabs.

VOA: special.2009.02.14

Normally these crabs would earn about $500, but the fishing ban means they can't be sold.

VOA: standard.2010.05.06

As Ryan winches up the lobster traps from the channel floor, Paul Cabral pulls out any lobsters large enough to harvest, and throws back the rest along with anything else that got caught in the trap - mostly crabs and starfish.

VOA: standard.2010.07.20

"It could be taken up by crustaceans like shrimp crabs, things like that which are the base of the food chain and that could be passed up to fish and then mammals and the toxins could be concentrated and that could be harmful to animals that feed on these smaller organisms."

VOA: standard.2010.05.09