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
Amalia (given name) several variants, including Amelia in English, Amélie in French, Amalie in German, and Amalka, a diminutive form of the name used in Slavic languages. Amalia (given name) Amalia is a female given name. It is a cross-cultural name found all over the world. It is derived from the Germanic word "amal" meaning "work, activity", specifically the woman's name "Amalberga". Its popularity is attributed to the Belgian Saint Amalberga of Maubeuge. The origins of the name Amalia have often been associated with those of Emilia and Emily, both of which in fact originate from the Latin nomen Aemilia, or with Amalthea,