Nice lookin cobras Daz, good photo! The front one must've just eaten - has a belly bulge, pellets? What size??
Tapajos I pikes are 'tapajos reds', Cobras are Tapajos II. Keep an eye on them as they grow, a friend bought 6 and ended up with the dominant one, which killed everyone else.
We were lucky our trio always got along, and really happy to have a compatible pair!
Good luck with yours!!