I hand feed my BGK so when I put my hand in the tank he comes up and nuzzles the side of my hand with his head to let me know that he wants food NOW. I enjoy this as his head and muzzle, nose whatever you call it very soft to touch. Also has been know to rest in my hand after feeding which can be a problem if he stay their too long as my arm gets tired. Also my clown loaches will come up and sit in my hand while feeding. WC are a fun time as well as the BGK rubs up against my arm in the tank.