TagXenurolebias pataxo

I recently received another batch of annual killifish eggs — this time Xenurolebias pataxo. These eggs were collected on the 16th of April, and the incubation period for this species is roughly 2–3 months. So technically, I shouldn’t even have been looking at them for another four weeks. But here’s where experience (and curiosity) kicks in. When Eggs Don’t Follow the Rules While checking the...