That's defensive striking. I'd let him totally chill with no handling, only bare maintenance to the cage before you try and feed again. At least a week. It can take longer. Babies are really prone to stressing easily and that's his show of "hey don't mess with me". If he does it again next week. Stop trying to feed, again till the next week. Other stress movements are jerking away from the food, or "running away" from the food. You may want to try a smaller than normal live feed.


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