What does the plankton eat?

Apart from sunlight, carbon dioxide, and water that plankton need, algae, bacteria, trash and debris known as detritus, and microscopic animals such as rotifers and protozoa are also necessary nutrients required for plankton to thrive and survive amidst oceans and freshwater.

What do krill mostly 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.

What are krill in the food chain?

Krill – a shrimp-like crustacean – forms the basis of the marine food web for whales, seabirds, fish, squid, seals, and sharks throughout the world’s oceans.

What do krill and shrimp eat?

Krill are small crustaceans resembling shrimp that are found primarily in the Arctic and Antarctic oceans. Vital to the planet’s marine ecosystem, their diet consists of phytoplankton, copepods, zooplankton and algae.

What does a krill eat for kids?

They feed on phytoplankton and to a lesser extent zooplankton. Krill are ecologically very important, because they are near the bottom of the food chain. They make up the largest part of the diet of many animals.

What do krill eat in Australia?

In their larval or juvenile stages of life krill feed on the green algae that grows on the underside of pack ice. Krill are the staple diet of hundreds of different animals, from fish to birds to seals and whales.

What do most zooplankton eat?

Most zooplankton eat phytoplankton, and most are, in turn, eaten by larger animals (or by each other).

What sea animals eat plankton?

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.

What is krill and plankton?

The main difference between krill and plankton is that krill are small crustaceans that consume both zooplankton and phytoplankton, whereas plankton is the diverse collection of organisms that serve as a crucial source of food at the bottom line of food chains.

What is eaten by zooplankton?

Zooplankton are small, floating animals. They include fish larvae, jellyfish, microscopic copepods and small, bottom-dwelling animals. They drift through the ocean; zooplankton eat phytoplankton, which transfers the energy phytoplankton create with photosynthesis to the next level of the fish food chain.

What does carnivorous zooplankton eat?

Zooplankton may be herbivores or plant-eaters (eat phytoplankton), carnivores or meat eaters (eat other zooplankton) or omnivores, which eat both plants and animals (eat phytoplankton and zooplankton).

What eats zooplankton in the coral reef?

The Zooplankton is then consumed by some secondary consumers: the Fan Worm, the Blue Chromis, the Sea Sponge the Coral Polyps. The Fan Worm is eaten by the tertiary consumer, the puffer fish. The Coral Polyps are eaten by a tertiary consumer, the Sea Slug. The Sea Sponge is eaten by the angelfish.

Who eats zooplankton in food chain?

Some of this food passes directly along the food chain when zooplankton eat the phytoplankton and in turn are consumed by larger animals such as fish, whales, squid, shellfish and birds.

What eats zooplankton in a pond?

Fish fry eat zooplankton, phytoplankton, and tiny plants and animals attached to objects on the pond bottom. Most fish fry eat three main types of zooplankton—rotifers, cope- pods and cladocerans.

Do mollusks eat zooplankton?

– Bivalves – A sub-group of mollusks that includes clams, mussels, scallops and oysters. Bivalves live on the ocean floor and feed on plankton (they are filter feeders). – Gastropods – A sub-group of mollusks, including snails, nudibranchs and abalone.

What eats zooplankton in a lake?

This group of organisms is very numerous in a healthy ecosystem. Now we come to the planktivorous fish, the fish that eat zooplankton and aquatic insects. These fish are also called foragers, and include sunfish, crappies, and perch.

What type of fish 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.

What animal eats zooplankton in the Arctic?

Phytoplankton and ice algae are eaten by zooplankton, and in turn, zooplankton are eaten by polar cod, seabirds, and the bowhead whales.

What is zooplankton pond?

WHAT ARE ZOOPLANKTON? Zooplankton are microscopic animals that are found in most lakes, reservoirs, and ponds. Most can be seen as tiny dots moving in the water, but they are most easily observed with a microscope. Common groups of freshwater zooplankton include tiny crustaceans, such as copepods and cladocerans.

Do fish eat krill?

Antarctic krill are massively important for the Antarctic Ocean, but they also happen to be fascinating animals in their own right. They are the basis for the entire Antarctic food web. Penguins, seabirds, seals, fish, and whales all eat krill.

What eats small fish and crustaceans?

Aquatic Predators

Larger animals that are unable to filter smaller phytoplankton prey on small planktonic crustaceans such as krill: Baleen whales feed entirely upon these small creatures. Alligators, crocodiles and other carnivorous reptiles also feed heavily on crustaceans.

Is krill a herbivore?

Animals that eat phytoplankton are called herbivores. The most common ocean herbivore is zooplankton. Another ocean herbivore is krill.

Food Chains.
food chain