The spiny water flea was discovered in Lake Winnipesaukee in September, marking the first time the aquatic invasive species has ever been detected in the Granite State, officials announced Friday.

Phytoplankton is an important component of the food-web and is predated by a wide variety of aquatic organisms, such as water fleas, copepods and fish. These microscopic algae also play a crucial role ...

Spiny water fleas, another foreign species believed to have crossed the ocean in the ballast of saltwater ships, has been confirmed in Shagawa Lake near Ely. The tiny creatures, which resemble a large ...

BUFFALO, N.Y. -- Male water fleas that scientists have never seen have made their debut in a University at Buffalo laboratory, providing biologists with their first glimpse of these elusive organisms.

Everybody who keeps fish knows that they are often fed on water fleas. They are so small that their life history is not well known. This is a pity because when seen under a microscope there are ...