Seals are a lot bigger than mackerels. It is far more likely for a seal to eat a mackerel than the other way around.
Mackerels are saltwater fish. Tadpoles live in freshwater. Meaning a mackerel wouldn't have much chance of eating tadpoles.
mackerels are carnivores
A shoal of mackerels
It depends on what type of shark I guess. I know for a fact that guitarfish (aka shovelnose shark) eat Mackerel
seals usually eat fish
Yes, seals eat puffins.
no, although they do eat other breeds of seals pups.
Yes, seals like to eat lichens. They also eat fish, shellfish, krill and other foods. Some seals will also eat other, smaller seals.
Just about every predatory fish in the sea.
no seals do not eat big squids.
seals eat cod
i think that seals eat fish and other underwater things.