*****This is not a commercial Post*****
I can get them from my wholesaler for about $30, but I heard that they collect them in ways that they shouldn't (don't ask me how...), and that they are very short lived in an aquarium. They need temps of around 60*F I think, and a 200 gallon + tank. It would need to be a rectangle, but the opposite of most tanks. It would need to be taller than wide or long. They also are not very interactive, and...boring. All they do is hover around all day. They aren't as interactive as an octopus, and we have already accomplished them. There are certain things that even man need not accomplish...