This website features Harmful Algae, a journal promoting knowledge of harmful microalgae, including cyanobacteria, as well as monitoring, management and control of these organisms. Papers include the following aspects of harmful microalgae and cyanobacteria in marine and fresh waters: the distribution, life histories and taxonomy of harmful microalgae; the physiology and toxicology of harmful microalgae; harmful microalgal bloom ecology; trophic, socio-economic, public health and aquacultural impacts of harmful microalgal bloom events; occurrence, methods of detection and chemical structure of toxins in harmful microalgae, cyanobacteria, foodwebs and seafood; factors controlling toxin production, biosynthesis and chemical ecology. The site includes journal information, a guide for authors, subscription and ordering information, and access to online articles.