Eriocheir sinesis

Chinese Mitten CrabBy: Mariana Acevedo

You should know…

Kingdom:Animalia

Phylum: Anthropada Class: Malacostraca

Von Seibold Latrieille

1848 1802

Today the crab can be found in…

West Coast WatersChesapeake Bay

Great LakesYellow Sea (China)

Started out: China

First distributed to: West Coast U.S.A (California, Oregon, Washington)

Modes of “transportation”:

- Ballast water

- Intentional placement

- Crabs clinging to boat hulls

EFFECTS…

On Humans- Carries parasites

- Costly extermination attempts

- Number of caught fish goes down = less food for the population

On Nature- Reproduce quickly

therefore, more food is needed

- Tiny fish are the prey

- Animals who eat the smaller fish are running out of food

FOOD WEB

Aquatic plants Small Fish

River Otter Chinese Mitten Crab

Key To Success

• Reproduction is simple to the Chinese Mitten Crab, so numbers are able to be maintained.

Juvenile Chinese Mitten Crab

• Any attempt to exterminate the crabs have been unsuccessful.

FUTURE Failed Attempts Trade-offs Controlled barriers Hurts other fish

Crab catching Prevents certain fish from migrating

Electrical screens Expenses, expenses, expenses

Other Options“Herding”

Send in predators

Make reserves

Fun Facts

•Burrower•Hairy claws•Considered a delicacy(Asia)