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...

The National Sea Grant College Program, in conjunction with the Great Lakes Sea Grant Network, has recently launched the Sea Grant Nonindigenous Species Site (SGNIS). Intended to serve as a national information center, SGNIS is structured as a database and provides "a comprehensive collection of research publications and education materials ... on zebra mussels and other aquatic nuisance species."...