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Alaska Department of Fish and Game


Invasive Species — European Green Crab (Carcinus maenas)
Get Involved

Green Crab Monitoring by Alaskan Citizen Scientists

Alaskans from Ketchikan to Dutch Harbor engage in monitoring for invasive species as citizen scientists. If you have an interest in the marine environment you can too! Monitoring for green crab is relatively easy and anyone can do it. With gear provided by ADF&G, members of the public who have access to shoreline habitat suitable for green crab and an interest in learning, can join the marine invasive species citizen monitoring network.

Here's how:

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