Cyanotoxin which is why they are usually green or blue. Cyanobacteria are found almost everywhere; in oceans, lakes and rivers as well as on land. They flourish in Arctic and Antarctic lakes, hotsprings and wastewater treatment plants. They even inhabit the fur of polar bears, to which they impart a greenish tinge. Cyanobacteria produce potent toxins, but they also produce helpful bioactive compounds, including substances with antitumour, antiviral, anticancer, antibiotic and antifungal activity, UV protectants and specific inhibitors of enzymes. Cyanotoxins are often implicated in what are commonly called "red tides" or "harmful algal blooms". Lakes and oceans contain many single-celled
Freydun (given name) Vedas, Trita is associated with gods of thunder and wind. Trita is also called "Aptya" (Āptya), a name that is probably cognate with "Athwiya" (Āθβiya), the name of father of Thraetaona in the Avestā. Traitaunas may therefore be interpreted as "the great son of the deity Tritas". The name was borrowed from Parthian into Armenian as "Hrudēn". Freydun (given name) Freydun (; from the Avestan "Θraētaona"), is an Iranian masculine given name. Freydun, Feridun, Faridun, or Afridun may refer to: All of the forms of the name shown above derive, by regular sound laws, from Proto-Iranian "Thraetaona" (Θraētaona) and Proto-Indo-Iranian