Scientists from the Hawaii Biological Survey and Bishop Museum provide this online guide to Hawaii's invasive marine species. Although brief, the guide focuses on the most common introduced species with the hope that it will educate individuals about the threats posed by introduced species and encourage them to report occurrences of other unknown species. The Invertebrates section can be navigated...

This US Geological Survey database provides information on nonindigenous aquatic species for resource professionals and the general public. Distribution maps and species information for a variety of aquatic vertebrate, invertebrate, and plant species includes photos, description of the life cycle, native and non-native habitat range, and potential impacts the non-native species has on its habitat....