What could i feed my 2- 2 1/2 inch Avocado Puffer?

[Monster Oscar]

just wondering what i could feed the little guy like snails of crabs (small ones) but salt water snails and crabs i have already fed him a crawfish about his size and all thats left is a little bit of the out shell?

any ideas?

 

[Pufferpunk]

Mine loves FD krill/plankton, frozen krill/blackworms/mysis, people shrimp tails, blackworms, earthworms, sm snails, mussels. He will stil need regular dentistry though--one of the species who's teeth grow faster than others, no matter what you feed them.