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Delaware, along with other states in the Mid-Atlantic Region, has been invaded by non-native aquatic species that pose a threat to native species, to ecological processes, and to the economy.
An invasive species is a non-native species whose introduction causes or is likely to cause economic or environmental harm or harm to human health. Generally, successful aquatic invasive species are able to tolerate a wide range of environmental conditions. They exhibit rapid growth and maturity. They produce a large number of offspring. and have few natural predators.
There are many ways that invasive species are introduced into a new area:
Once established, invasive plant and animal species are costly and difficult to control and can be impossible to completely eradicate. Preventing the introduction and spread of these species is key to averting long-term ecosystem damage. The best approach is to have an informed public that can identify invasive species, report occurrences, and help the effort by not introducing or spreading them in the state.
Members of the public are key to preventing the invasion and spread of aquatic invasive species. You can help by reporting very unusual aquatic plant and animal species to the Division of Fish and Wildlife. Please include the date, a specific location, and a photo to confirm species identification.
It is also important to keep an eye out for invasive terrestrial species. They should be reported to the Wildlife Section, at 302.739.9912.