The other thing to bear in mind is that not all catfish can be cool and sub zero.
No, I agree, but I still think the Redtail is a cracking fish. I'd definitely have one if I could house it responsibly. To use the Top Gear analogy, we can't all drive Lamborghinis, but it doesn't stop them being cool.
Edit: Actually, I don't suppose you can really compare a Redtail to a Lambo. Bentley maybe?