A variety of sharks, squid, and carnivorous whales (ex. Killer Whales) might be successful in killing an infant or adolescent blue whale given advantageous circumstances, but even that chance is low.
Healthy adult blue whales have only one predator;
Humans.
They swim after it, as other seals do. They are highly maneuverable in the water.
Man
Hugely unlikely, bordering on impossible. Elephant seals swallow their prey whole, They don't have the teeth to take a human apart into edible chunks.
Female Elephant seals (called cows) weigh 1 tonne and can be 3.5 metres long! They have silvery skin and big black eyes which help to hunt their prey!
Because elephant seals are gray.
Killer wales eat elephant seals
Elephants are not predators; they do not prey on anything. They are herbivores--vegetarians.
the elephant does not have prey They are vegetarians
They are called elephant seals because they have long noses like a regular elephant.
Leopard seals, Killer whales, and humans prey upon seals.
The height of southern and northern elephant seals are around 6' to 6' 6" The height of southern and northern elephant seals are around 6' to 6' 6"
leopard seals preys on them and their prey is fish.