This is a mature Daphnia magna imaged under a microscope at 20x magnification. The photo was taken at the end of the 21 day exposure to sunscreen so that we could measure its body length.

This is a microscope image of two Daphnia dentifera that fed on different diets and were exposed to a fungal pathogen. The top Daphnia fed on a nutritious green algae. She is larger and has ...

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.