The EMPEROR penguins diet

Its diet consist of what is close to where it lives and prospers to survive and to feed its young so they can prosper and learn the trick of the trade so it can survive. 

The fish

There are no types of fish it eats because it is not specific it eats any fish in sight.

The squid

It will eat any squid in sight but it will not normally eat it unless it is very hungry.

The crustaceans

It is just another name for the crab it will eats this if it is hungry and wanting to switch its diet up a bit.