Hmm, I'm guessing flake food?
they eat fish
I think they eat exactly what regular fish eat
They eat the regular fish food that you can get at Walmart.
Penguins can eat any regular fish, regular as in cod, tuna, bass, etc.
no
no
eat it
The regular fish food :P
Does a buffalo eat chicken wings? Fish don't have fingers!
They probably would, but it isn't good for them. Feed them regular fish food instead.
they prefer fish, but standard seed is OK
Most crabs eat detritus and carrion in the wild. In captivity, feed them regular fish food, supplemented with calcium and other minerals, as well as vegetables.