Greetings, some of you may be interested in a post @
http://forums.kingsnake.com/view.php?id=848284,849481
....as often is the case theres fact & fiction...& I wont type much of what little Ive learned now & here....but... I posted a regal eating a caliking awhile back but that king was actually envenomated & killed by another rearfanged snake [Clelia], I have done that distateful experiment 3x now & have determined getulus will succumb to Clelia venom. I have heard getulus are vulnerable to elapid venoms such as cobras..which are very similar @ the molecular level to the rearfang venoms.
When one considers a king can take a full hit from a mojave w/ little or no effect & then the comparatively miniscule amount of venom that gets chewed in via mastication from a rearfang...dies in x minutes/hours....that venom must be very hot indeed.
Heres the kicker tho...regal ringnecks kill their ophidian prey including mtn kingsnakes, in an incredible [~48X ] the speed w/ which the Mussurana does! Thus I would be derelict not to advise a young herper to consider them as hot as any krait & one should not allow them to chew, should they bite. The good news is I've never heard of one attempting to bite & in captivity they dont seem to snap at the hand that feeds them 
Saludos....RxR




I don't know if you've ever had a regal refuse a meal after it killed the prey, but I have. On a few occasions I examined the dead prey snake after it was left in the enclosure uneaten for a few hours... the area where the bite occured, and around that proximity tends to swell greatly.