When answering this , I ran across this tidbit, which was quite interesting but, sadly, un-cited: The Blast-Ended Skrewt is a hybrid creature bred by Rubeus Hagrid in the autumn of 1994, by crossing Manticores and Fire crabs (src: HP Wikia ). [citation needed] (src: DVK) Was this actully sourced from canon or made up by wikia writer? If so, which level? (HP book? FB book? JKR? movie? game?) I don't recall Hagrid ever mentioning how he ontained the skrewts; Fire Crab wikia article didn't mention Skrewts at all; and Manticore Wikia contained the same - and equally uncited - tidbit: Rubeus Hagrid somehow managed to acquire Manticores, and got them to breed with fire crabs, creating the hybrid Blast-Ended Skrewts. This is especially strange since Manticores are supposedly sentient . Answer To add to DVK and Mac Cooper 's answers: In Fantastic Beasts & Where to Find Them ; there is a section regarding Controls on Selling and Breeding which states: The 1965 Ban on Exp...