No biggie and as for the seller in question,shame on them for providing such horrible information.So sorry for the mix up! It's late, lol. But yeah I've looked at some of the links now
The Columbian shark was being sold as a 'black finned shark' that doesnt grow past 8 inches
The Iridescent shark was being sold with the 'only gets to 11" and can be housed in a 10 gal'