με τα λιτρα...
http://www.aquahobby.com/gallery/e_oscar.php http://www.tsamisaquarium.gr/Selides..._ocellatus.htm
http://www.seriouslyfish.com/profile...ellatus&id=231 αντιγραφω απο το τελευταιο Minimum Tank Size
A 48" x 24" x 24" (120cm x 60cm x 60cm) - 453 litre tank is just about big enough to house a single adult. You'll need something considerably larger if you want to keep it in a pair or community setting.