My Son and I came home today after being out for a while and the damn cat was IN the tank! My Wife had moved a table close to the tank and the cat jumped on top and fell through the screen. The cat was just sitting in the tank watching the BD. All is well but I guess things could have been worse.
The good thing was that the screen created a barrier between the cat and BD. Beardie was all colored up and flaired out. He also dropped a big poops so I guess the cat scared the poop out of him. 
Dang cat.

