Ceriodaphnia dubia
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Ceriodaphnia dubia is a species of water flea in the class Branchiopoda, living in freshwater lakes, ponds, and marshes in most of the world. They are small, generally less than 1 millimetre in length
Ceriodaphnia dubia seen with dark field, ventral view, focus tracking, 400x magnification.
Lake
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A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie co
Lake Idro, an Italian prealpine lake of glacial origin situated largely within the province of Brescia (Lombardy) and in part in Trentino.
Sunset over Lake Michigan at Nordhouse Dunes in Manistee National Forest, Michigan, United States
Lake Trasimeno, Italy, has volcanic origin
The crater lake of Mount Rinjani, Indonesia