What does blue whales eat?

What does blue whales eat?

krill
Blue whales are the largest animals ever to live on our planet. They feed almost exclusively on krill, straining huge volumes of ocean water through their baleen plates (which hang from the roof of the mouth and work like a sieve).

Where are killer whales on the food chain?

CarnivorousOrca / Trophic level

What does the phytoplankton eat?

Phytoplankton rely on nutrients found in their surroundings, such as phosphate, nitrate, and calcium, to thrive. In addition to phytoplankton and zooplankton, two even smaller kinds of plankton can be found floating in the sea.

Are krill carnivores?

Krill are mostly omnivorous, although a few species are carnivorous, preying on small zooplankton and fish larvae. Krill are an important element of the aquatic food chain.

Is krill a herbivore?

Another ocean herbivore is krill. Krill is like a tiny shrimp about 5cm long. They eat mostly phytoplankton and sometimes zooplankton. Krill are a very important food for many larger animals such as fish, birds and whales.

Who is the apex predator of the ocean?

Killer whales
Killer whales (Orcinus orca) are the ocean’s ultimate apex predator and are widely distributed throughout the world’s oceans.

What is phytoplankton in the food chain?

Producers. Primary producers — including bacteria, phytoplankton, and algae — form the lowest trophic level, the base of the aquatic food web. Primary producers synthesize their own energy without needing to eat.

How do plankton eat their food?

They feed on diatoms and other protozoans by secreting digestive juices into their food to dissolve it.

Is krill a producer or consumer?

primary consumers
In the Antarctic food chain krill are primary consumers and baleen whales, penguins, seals and many kinds of fish and other birds are secondary consumers when feeding on krill.

What is the favorite food for whale?

All of them feed on krill, but sometimes include other sea creatures in their diets, such as copepod crustaceans and small fish. Humpback and Bryde’s whales also actively hunt for small schooling fish such as herring and anchovies.

What is a jellyfish’s biggest predator?

Leatherback turtles and ocean sunfish have long been known to gorge on jellyfish, gobbling hundreds of them every day. But leatherback turtles and ocean sunfish are exceptionally big. Leatherbacks can weigh over 2,000 pounds; ocean sunfish can reach 5,000 pounds.