Botanica
Aquarium Advice Freak
jetajockey said:As Zimmanski said, it just depends on the footprint. I've seen some large angels, and I've seen some huge angels, but overall I think an average sized angel works in a tall enough tank, the volume isn't as much of a factor as the height.
Does this mean you could keep an angel in a 20 gallon extra tall? It's 20"x10"x24"