my friend bought a silver arowana the other day at 4" long and the lsf bloke didn't even ask him one question! people research fish when they truely are hooked just the same when you go to a garden centre and see a plant and "thats looks nice we'll have 4". Fish like aros, rtc etc should have the size and tank size stated when you buy a fish by law as lsf get sick of taking huge oscars back so refuse and animal shelters full so fish ends up in a 10 deg river.
Then they want to blame others for their own irreasponability.