Sampling aquatic ecosystems using eDNA

Would you be able to identify all of the species in this image – even those too small to be seen without a microscope? eDNA – traces of DNA released into the environment – provides a quick and accurate way to sample and monitor ecosystems.

The image is from Lake Wānaka. The common bully is easy to spot. What else can you see?

Image sourced from iNaturalistNZ.