if you want to get snails for them, get them some MTS, which breed pretty often and will give them planty to eat.
dwarf puffers are also pretty messy and should have adequate filtration, but with a sponge over the intake to keep them from getting sucked in.
dwarf puffers are also pretty messy and should have adequate filtration, but with a sponge over the intake to keep them from getting sucked in.