I would love to turn my 55 gallon community with a 15g sump and a mag 7 pump into a predator tank, i was wondering if this is enough for a bichir and maybe some other kind of medium size predator? any suggestions?

but I'm sure you could ask around at different LFS and see if anyone can order them for you. I love mine! It's so much fun to watch him eat crickets and chase away other fish.