Ok so i have a question for everyone who might read this. i have a green spotted puffer who i have named Humphry, awesome fish with a great personality. So heres my question are puffers like dogs and only loyal to like one person cause every time i put my finger in the tank he wont bite me or anything and lets me pet him more and more everyday, but everytime my wife sticks her finger in there he bites her like he dont like her just any experience from this or any comments would b great.