I would throw in some sort of cories or more loaches.
Honestly, I wouldn't bother with the crayfish though. They could kill off and eat your stock eventually since they are nocturnal. They will easilly grab a fish while it's sleeping.
Honestly, I wouldn't bother with the crayfish though. They could kill off and eat your stock eventually since they are nocturnal. They will easilly grab a fish while it's sleeping.
