We had a 10+ year old horned frog, and that boy would try to take your finger off. No teeth, but a very sharp bony jagged ridge would draw instant blood, with real power for a grip... and if he lightened up his grip, he'd just jump a quarter inch up your finger. (Started with a pair, but at the 3-4 year point, he ate her whole)
Lethargic in appearance, only moving with necessary, and eyes open full time, you could never tell if it was sleeping or not. Once fully mature, he could beat your very best reflex hand jerk back every time if you got too close, and he did not telegraph his leap with so much as a muscle-flex or blink.
The wife fed him giant crawlers and insisted on hand feeding the little monster, and big worms and fingers look pretty much the same. The one time he got me, I seriously thought about slamming the door on the part of him without my finger it it. Got her many times (stupid game). It was not
my pet.

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He got so big, he should have been eating pinkies (small white mice), but I never mentioned it as the white mice would have just become the wife's new hobby/pets. When she first got them, the frogs were smaller than a 50 cent piece. They're sorta cute at that age, later they become small T-rex's.