Sharks eat cephalopods
Larger cephalopods have been known to eat smaller cephalopods, not the other way around.
they eat prawns
fish, cephalopods and crustaceans
They eat anchovies cephalopods, squid and cuttlefish
Well, trevally eat mostly crustaceans, cephalopods, and sometimes mollusks
They eat fish, squid ,crustaceans and salp. they also eat you
They are Carnivores. They eat invertebrates and cephalopods such as squid and small demersal fish.
Their diet consists of a variety of crustaceans, mainly krill, as well as small fish and cephalopods.
Cephalopods use their tentacles mainly to catch food.
Weddell seal eat fish, krill, squid, bottom-feeding prawns, cephalopods, crustaceans and sometimes penguins
Nope. They are reptiles. Cephalopods are octopuses and squids and cuttlefish. Reptiles and cephalopods are not very closely related at all; cephalopods are protostomes and cephalopods are deuterostomes, and the protostome/deuterostome split occurred very early in the history of animalia.