Stockton Fish and Wildlife Office
Pacific Southwest Region
San Justo Reservoir

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What is an Invasive Species

Invasive species are plant or animal species that are:

  • not native to an ecosystem
  • are capable of becoming established
  • once establish can cause economic or environmental harm or harm to human health.

What is an Aquatic Invasive Species

An invasive species that lives at least part of its life in an aquatic environment.


Species of Concern

Quagga and Zebra Mussels

Chinese Mitten Crab

New Zealand Mudsnail






Last updated: December 13, 2012