The Dude jumped, totally unexpected as he's been living in topless tanks for quite a while and never showed any interest. No clue why, but we came home from dinner to find him dried out on the counter an impressive distance from the tank. First time I've ever had a fish jump.
I've rigged a temporary top for the tank and will find a more permanent solution, and we brought home another beta, I couldn't stand seeing the empty tank in the kitchen.
The Dude was an awesome swimmer, best swimming beta I've had, he seemed like enjoy strong current. The new beta, not so much, he was obviously extremely stressed by the HOB filter, so it has been turned off as there was no way to cut it down enough.
I'd really rather not run this tank with no filtration, but don't want to stress the new guy. Any suggests for a very gentle filter for a 3 gallon tank?