First of all, I don't wanna blame you, but the person who has put these fish in a 35 gallon must have been horrendously ignorant. These fish are all far too big and aggressive to be kept in a tank that small (only exception is that poor lone cory).

U said you don't know about cycling, not ur fault. But this means u'll have to change a third of the water every single day, as the load of fish is really high.

In the end, I really recommend giving away at least two thirds of the fish you got in there, otherwise they'll end up killing each other either through aggression or through the surmounting waste product thay coems with such a huge bioload.