Occurrence, photos, and characteristics of some species of the colonial tunicate genus Didemnum, nuisance species that reproduce rapidly and foul marine habitats (including shellfish aquacultures and fishing grounds), ship's hulls, and maritime structure
Descriptions of tunicates and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on tunicates.
U.S. Department of the Interior |
U.S. Geological Survey