From the Vancouver Aquarium Magazine

[Aquattro]

I suspect that the Aquarium menat expensive to perhaps setting up goldfish on a whim for your kid. That's $10 compared to over $100 for a decent salt water clown home. I've only ever kept one clown, so I don't really know how easy or hard they are.
Maybe they weren't entirely accurate, but I don't see where any harm has been done. That's just me though, and I've been known to be wrong