I've had yet another fish jump today. My yellow coris wrasse. I thought I had solved the problem. I originally just laid some glass on top which lead to a hawkfish jumping. I then tried building a lid from BRS and I had my chalk bass and a blenny jump. I then sealed the gap (photo attached) and it seemed to work. I kept a Midas blenny in the tank for a couple of months before giving him away (aggression). Now I came home to my beloved yellow wrasse, Lil' Nana, on the floor. I am honestly devastated even though he was just a fish.