i guess my rarest fish would be my albino Senegal bicher, i don't know how rare those are, i have never seen one before so, and i guess my 2 African butterfly fish, but those aren't very rare
Well, it's not a fish but I have Aeglids - the crablike thing in my avatar - which are rare in the UK. As far as I know they've only ben imported a couple of times by Tom Halverton and I had to get mine from Germany.
Thats awsome, i nearly got a tiny one of those a while back but with my biggest tank being 3ft and hearing about those guys growth rate i couldnt really