Redmap (Range Extension Database and Mapping Project) is a citizen science project that invites members of the community to spot marine species that are outside of their usual range (or distribution) at various points around Australia. In collecting this information Redmap is generating a database of "out of range" sightings to assess which species are shifting their ranges and whether these shifts are consistent with warming waters. Redmap is hosted by the Institute for Marine and Antarctic Studies (at the University of Tasmania in Hobart, Tasmania, Australia.