Transcript Chinese Mitten Crab the good one

Chinese Mitten
Crab
Eriocheir, sinensis
By: Alexa
Lubonski
Kingdom : Anamalia
Phylum: Arthropoda
Class: Crustacean
Location
• First found in San Fransisco-1992
• Then traveled to Asia
(including Yangtze River)
• Currently in Europe and North
America
• Have been secretly put into
rivers
Effects on people
•Creates less fishing
•Leading to fewer jobs and
money
•A host of the human fluke
parasite
•Damages lots of fishing
gear/ structures
Effects
on the
Ecosystem
•The population of little fish is
decreasing
•Eating endangered species
including salmonids
•The number of chinese mitten
crabs continues to grow
Why They’re Successful
• Can move to the water needed
for life
• Fresh water-majority of life
• Salt water-reproduction
• Not many predators
• Enough animals to eat and
survive on
Food Web
Sturgeon
Striped bass
humans
Small Fish
Bullfrogs
Chinese Mitten Crab
Mollusks
Plant Material
Crustaceans
Sea worm
Attempts to Control Growth
California- illegal to carry/transport Chinese
mitten crabs without a permit
U.S.- waters are being watched for these crabs
especially from incoming ships
Washington and Oregon- trying to block
the ways that the crabs get into these areas
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