How much is he eating? Are you handling anything before you go to hold him? Has anything changed? I would think something like that he thinks its food. The only reason I say that is because my Conda, I have seen strike at me twice. Once when I reached in to grab him in the cage and the other was opening the lid to the bath he was taking. When I watch him eat, I just lay the rat in the cage and I watch him go up to it sniff it and then sometimes he will hammer it and sometimes he will just grab it. But I could also see what the post above me says. Just my two cents.
-----
0.2 Rotts
1.0 Super Tiger (Dash)
1.0 Amel Retic (Mahola)RIP Buddy.
0.1 Ball Python (Cyeanne)
0.1 Red Tail (Memphis)
1.0 Coral Sun Glow Boa (Rodman)
0.1 Blood Python (Danica)
1.0 Green Ananconda (Prefontain)
1.0 Emerald Tree Boa (Bing Bong)
1.0 Ivory Ball Python (Hansel)
0.1 Bumble Bee Ball Python (Sissy)
0.0.2 Yellow Ackies (Ludmilla and Ivan Drago)