![Zebrafish eggs in petri dish ready to go under microscope](http://static.sciencelearn.org.nz/images/images/000/000/196/full/Zebrafish-eggs20150908-25081-n4fm77.jpg?1674163881)
Zebrafish eggs ready to go under the microscope at the University of Otago’s Zebrafish Facility. The 1200-tank facility is used by scientists researching cancer, developmental disorders, sex determination, stem cell biology, oxidative stress, behaviour, epigenetics and evolution.