The Daily Invader, highlights from the Chesapeake Bay Database and the National Estuarine and Marine Exotic Species Information System (NEMESIS).

Together the Chesapeake Bay Database and the National Estuarine and Marine Exotic Species Information System (NEMESIS) provide a comprehensive source of information on marine and estuarine species introduced to the continental United States. NEMESIS contains ~500 nonnative species, however, because the editing and review process is ongoing, only select groups are available. Daily Invader currently highlights the 60 species available in NEMESIS (tunicates, crabs, shrimp, and crayfish) and 110 of the species listed in the Chesapeake Bay Database. Learn more about the launch of NEMESIS here.


Daily Invader has moved to the NEMEIS homepage.

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