Hello,I have a cycled 25 gallon(95 lt) planted aquarium with one gold gourami(juvenile and really peacefull),5 panda corys,1 golden bristlenose,9 neon tetras,11 guppies and some ramshorn snails.Also,I have a corse sponge filter.What do you think,is it too much?Will some of the fishes be a...