5 Fun Facts About the Stalk-eyed Fly 1. These eyestalks expand in 15 minutes. Inside the…

5 Fun Facts About the Stalk-eyed Fly 1. These eyestalks expand in 15 minutes. Inside the cocoon, the fly larvae’s optic nerve becomes elongated and narrow and bulges from the head, following the cuticle as it extends outwards. 2. The eyes also function as a big “EAT ME” sign. 3. Not all eye-stalked flies are stalk-eyed flies. There are some other families of flies who sport some pretty impressive eye stalks too. 4. Then, they’re ready to fight. Yes, weirdly, these animals fight by bashing their eyes together. 5. Twerking may be the solution. If you were about to be attacked and you decided to start bobbing your abdomen, you might find that your would-be attackers find it too weird to continue.