I have been hearing both sides and I wanted to get to the bottom of it. Do Brazilian swords grow under water? I keep hearing they are not aquatic plants and will not grow and will die. Then I hear advice on how to care for them and for sale on many aquatic websites. Mine hasn't really grown at all I don't think. If it has it has been very minor. But it does grow new baby leaves. The store told me it will get very tall but it hasn't gotten any taller in 3 months its still like 6-8". It always gets algae bad and my pleco always eats off it. I was just want to know if this thing is fine in the tank or if it's just a waste of space. Here are a picture.