Yep, this is an old thread, but this egg was laid yesterday.
Ok I have gotten a pretty solid answer. Normally as Kent pointed out twins will hatch out of the same normal looking egg. My question is how would you know if you ever had them and which ones they are without watching them hatch. They would both feed off the same yolk for a while and hang out around the same egg shell?
From what I understand Sarabi's long egg will either be normal or like Forever Endeavor said a HUGE Hulkmeleon (which I will call Hulkmeleon if it makes it). I'm hoping for a Hulkmeleon!