The Daphnia Histology Reference Atlas (DaHRA) is a new open-access resource that provides detailed images of Daphnia, a key species for environmental research due to its sensitivity to pollution.

In fact Daphnia have an astonishingly large number of genes. "We count more than 31,000 genes," says Colbourne. By comparison, the human genome has more like 23,000 genes. If Guinness tracks such ...

For many, experience with Daphnia, commonly known as water fleas, ends in high school. The organism is often used for science experiments exploring water toxicity, because of its sensitivity to ...

University of Michigan ecologist Meghan Duffy is obsessed with water fleas, or Daphnia, as they’re also called. She’s been catching, inspecting and photographing these sesame seed-sized ...