By eating krill, which are iron-rich, the whales unlock the iron and other nutrients in the krill. When the whales excrete this through their waste, it feeds phytoplankton, the microscopic algae that is a vital food source for not only krill, but also small fish and crustaceans in the ocean.

Do baleen whales commonly feed on phytoplankton?

Most whales, and in particular the baleen whales, feed on some of the smallest animals in the ocean. They feed on small plankton and krill which drift with the nutrient rich waters where the whales live. Not all whales feed on plankton however.

What does baleen whale eats?

Baleen whales feed by filtering or straining food from the water. They love to eat krill, fish, zooplankton, phytoplankton, and algae. Some, such as the right whale, are called “skimmers”. These whales swim slowly with their huge mouths open to take in large amounts of water and food.

What do baleen whales primarily feed on?

In general, baleen whales feed low on the food chain, primarily eating zooplankton and small fishes, which they encounter in large swarms or schools. Right whales eat zooplankton (animal plankton).

Do humpback whales eat phytoplankton?

Processing krill

Phytoplankton are a vital food source for krill, small fish, and crustaceans—which are, in turn, consumed by larger animals, including whales, birds, and other fish. But whales also help sustain phytoplankton.

Whales And Seals Devour BILLIONS of Krill | Blue Planet | BBC Earth

35 related questions found

How much does a whale eat a day?

The data showed that these gigantic baleen whales eat an average of three times more food each year than scientists have previously estimated. "So for a blue whale in the North Pacific, this might be 10 to 20 tons a day, where previous estimates might have suggested something like four to six tons per day.

How much does a whale eat?

An individual blue whale, for example, eats an average of 16 tons of food every day—about three times more than scientists had thought.

Do krill eat phytoplankton?

Antarctic krill eat microscopic phytoplankton, single-celled plants that drift up near the ocean's surface. In their larval or juvenile stages of life krill feed on the green algae that grows on the underside of pack ice.

Do fish eat phytoplankton?

Phytoplankton and algae form the bases of aquatic food webs. They are eaten by primary consumers like zooplankton, small fish, and crustaceans. Primary consumers are in turn eaten by fish, small sharks, corals, and baleen whales.

Are baleen whales carnivores?

The main polysaccharide, or large carbohydrate that herbivores acquire from their diet is cellulose. Whales, however, are carnivorous. Even baleen whales that are filter feeders consume small fish and crustaceans, digesting another large carbohydrate, chitin, from the 'shells' of their prey.

Which whale eats plankton?

DIET AND BALEEN

Blue whales (like all baleen whales) are seasonal feeders and carnivores that filter feed tiny crustaceans (krill, copepods, etc.), plankton, and small fish from the water.

How do whales use baleen?

Baleen is a filter-feeding system inside the mouths of baleen whales. To use baleen, the whale first opens its mouth underwater to take in water. The whale then pushes the water out, and animals such as krill are filtered by the baleen and remain as a food source for the whale.

Do killer whales eat baleen whales?

They primarily eat marine mammals including seals, sea lions, walruses, baleen whales, other toothed whales, and occasionally sea otters.

Does zooplankton eat phytoplankton?

Zooplankton and other small marine creatures eat phytoplankton and then become food for fish, crustaceans, and other larger species. Phytoplankton make their energy through photosynthesis, the process of using chlorophyll and sunlight to create energy.

What does phytoplankton feed on?

Like land plants, phytoplankton have chlorophyll to capture sunlight, and they use photosynthesis to turn it into chemical energy. They consume carbon dioxide, and release oxygen.

How do whales feed on krill?

Blue whales and other baleen whale species eat krill using baleen plates in their mouths. The plates serve as filters to allow water to pass through while holding back the krill for the whale to swallow.

Do herrings eat phytoplankton?

Herring feed on phytoplankton, and as they mature, they start to consume larger organisms. They also feed on zooplankton, tiny animals found in oceanic surface waters, and small fish and fish larvae. Copepods and other tiny crustaceans are the most common zooplankton eaten by herring.

What fishes eat phytoplankton?

Then the younger fish, plankton-feeding fishes (such as the menhaden and herrings), crustaceans (such as crabs, lobsters, and shrimp), and many other sea animals feed on the plankton. They, in turn, are eaten by larger carnivores such as tuna, halibut, shark, and squid.

How do phytoplankton feed all the animals in the sea?

Some live like plants, and are called phytoplankton. They make food from simple chemicals and live in the oceans' upper zone to get sunlight. The phytoplankton are eaten by swarms of tiny animal plankton, called zooplankton. The zooplankton are then eaten in vast numbers by fish and other marine creatures.

What kind of phytoplankton do krill eat?

Antarctic krill are filter feeders that eat tiny phytoplankton (pelagic algae). They use their small, hair-like legs to filter out these microscopic algae that bloom in the nutrient-rich waters around Antarctica. These blooms are densest at the ice edge, so Antarctic krill are often also densest near that system.

Who eats phytoplankton?

Phytoplankton is eaten by small zooplankton, which are in turn eaten by other zooplankton. Those plankton are eaten by small fish and crustaceans, which in turn are eaten by larger predators, and so on.

Are phytoplankton producers?

Plants make their own food through a process called photosynthesis. Using the energy from the sun, water and carbon dioxide from the atmosphere and nutrients, they chemically make their own food. Since they make or produce their own food they are called producers. ... They are tiny microscopic plants called phytoplankton.

Would a whale eat a human?

While the veracity of the story is in question, it is physically possible for a sperm whale to swallow a human whole, as they are known to swallow giant squid whole. However, such a person would be crushed, drowned or suffocated in the whale's stomach.

Do whales drink water?

The answer is: they do not drink water like land animals do, as they don't risk dehydration from the sun. This goes for all the marine mammals like whales, dolphins, seals etc. ... Some will go for the type of food that has extra water, although others doesn't go for water rich food, they drink saltwater instead.

How much does a whale poop?

A blue whale is capable of producing up to 200 litres of excrement with each bowel movement, which in itself plays a vital role in ensuring a constant food supply.