My wrasses usually stay towards the bottom of the tank. Never had one try to jump yet, but these will become large Wrasses (Red Coris & Formosa), not the small ones. I have a Melanarus that hasn't attempted jumping either. They all stay at mid to low level. They don't even like going to the top to get food, they wait until it sinks.
I've had 2 of the small puffers jump out of the small gap in the back of the glass top though (saddleback & fingerprint puffers). The first one did it twice in the middle of the night and I happen to be nearby. He jumped out and landed on top of the glass on his first attempt. The third time killed him because I didn't find him till the next day. He was one of my starting crew also.
I've had 2 of the small puffers jump out of the small gap in the back of the glass top though (saddleback & fingerprint puffers). The first one did it twice in the middle of the night and I happen to be nearby. He jumped out and landed on top of the glass on his first attempt. The third time killed him because I didn't find him till the next day. He was one of my starting crew also.