LOL thx guys. and in reply to your questions. the tank is 1000 litres of 264 gallons. dimensions are 3m length x 50 cm height x 60 cm width.
I'm not sure what the spotted pleco is [there's to many to rememer, have about 60 plecos in total.the smaller ones r in the other tank with the sme dimensions].
And no they're not usually aggressive to each other cauz the tank i big enough for them too equally claim their territory. However, i have seen a giant adonispleco slap a giant panaque until it was badly scratched cauz the tank was too small in a shop so I advice u all to get a very very big tank with plenty of hiding spaces or they will fight. But mostly in depends on that plecos specific breed natural aggressiveness. the giant leopard is very aggressive, however the giant orangel spot and the other zingus are less picky and aggressive.