they eat squid and school fish most of the time
A killer whale or an orca!
Orcas and large sharks.
Yes, you can eat it they are not poisonious
Porpoises mostly feed on fish. They also eat squid, mollusks, crustaceans, shrimp, cuttle fish, and soft finned fish. They eat non-spiny fish, sardines, herring, cod, and shellfish.