Some one sent me this video, which i thought i should post here as a slight warning when feeding your puffers stuff like live crabs, make sure the crab / cray isn't as big as your puffer or at least the claws aren't big enough to do damage...
[YT]gh9K3ybGP0Q&feature=related[/YT]
[YT]gh9K3ybGP0Q&feature=related[/YT]