Ecological Risk Screening Summary - Danube crayfish (Pontastacus leptodactylus) - High Risk

Species that are considered high risk have a well-documented history of invasiveness in at least one location globally, and a high or medium climate match to the contiguous United States.

Pontastacus leptodactylus is a freshwater crayfish native to Europe. The history of invasiveness is high. There are many instances of introduction and establishment for P. leptodactylus. Records of impacts were found, including the displacement of a native crayfish species. The climate match is high. The climate 6 score was 0.366, high. The certainty of assessment is medium. The overall risk assessment category is high.

Publication date

Mar 30, 2018

Type of document

High Risk

Program

A man is fishing in a boat with three young girls. The kids are excitedly pulling a fish out of the water.

Fish and Aquatic Conservation

The Fish and Aquatic Conservation programs work together to deliver resilient habitats, healthy fish, connected people, and strong partnerships. From habitat restoration to aquatic invasive species prevention, captive breeding to population assessment and monitoring, our programs are driven by the...

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Falls Church,VA

Aquatic Invasive Species

Aquatic invasive species cause tremendous harm to our environment, our economy, and our health. They can drive out and eat native plants and wildlife, spread diseases, and damage infrastructure. We work to protect our waterways and the communities that depend on them from the threat of invasive...

Program

Injurious Wildlife Listings - Keeping Risky Wildlife Species Out of the United States

Preventing the introduction of new harmful species is the only way to fully avoid impacts of injurious species on local, regional, and national economies and infrastructure, and on the natural resources of the United States.

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Subject tags

Invasive species