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National Invasive Species Information Center (NISIC)

The gateway to invasive species information; covering federal, state, local and international sources.
Invasive species are plants, animals, or pathogens that are non-native (or alien) to the ecosystem under consideration, and whose introduction causes or is likely to cause harm.

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Slideshow of Featured Species

  • Nile Perch

    Was introduced to Lake Victoria (Africa) in 1954, where it destroyed 200 native species of fish through predation and competition for food (Kaufman 1992); no negative impact in Texas so far as the... more

  • Chilli Thrips

    Attacks and causes significant damage to over 100 vegetable, ornamental, and fruit crops, particularly peppers, eggplant, and tomatoes (Nietschke et al. 2008)

  • Lionfish

    Preys on native species; has venomous spines (Morris and Whitfield 2009)

  • Water Lettuce

    Grows into dense mats that clog waterways (Ramey 2001)

Featured News and Resources

News

Read the latest invasive species research news from ScienceDaily

What's New

See what's new on NISIC's Web site

Identify

Identify species that may be invasive

Calendar and Events

Find invasive species related conferences and events