hi ive had a common pleco in my 29 gallon tank for 2 or 3 weeks now hes always stuck in the same spot majority of the time once in a great while he will move to another part of the tank i drop algae wafer in at night but not sure if he eats it or my corys do i have 4 of them ive been reading all over that its a must that i feed him fresh vegetables or he wont be healthy is this true or r the algae wafers enough?? i just wanna make sure the little guy grows up big and healthy thanks to all who help with advice