Aquatic habitat


  • The aquatic habitat comprises all the water bodies on the planet. They are mainly:


Freshwater Habitat:

  • Rivers, lakes, ponds, and streams are examples of freshwater habitat.

Freshwater habitat



  • Lotus, water lily



  • Frogs, fish, ducks, etc


Marine habitat:

  • Oceans and seas form the largest habitat on the planet. 


  • A large variety of animals live in the marine habitat, from tiny plankton to the largest animal in the world - the blue whale.

Tiny organisms-Plankton

  • Fish, whales, sharks, jellyfish, crabs, starfish, sea turtles, octopuses, and seaweeds are found in marine habitat.

  • Tiny organisms called plankton are abundant in the marine habitat.
  • Plankton is a source of food for many marine organisms.



Coastal Habitat:

  • Coastal habitat refers to the region where the land meets the sea.
  • Estuaries are regions where saltwater (from the ocean) mixes with freshwater (from rivers or streams).
  • These unique habitats provide shelter to several marine animals and birds.


  • Animals found here include crabs, oysters, waterfowls, and worms.

  • Mangroves, seaweeds and marsh grasses are some of the plants found here.
  • The Sundarban delta, spread across West Bengal and Bangladesh, is the largest mangrove forest in the world.

The Sundarban delta

  • Coral reefs are rock-like structures made from the skeletons of small ocean animals called corals.

Coral reefs

  • Besides corals, sea anemones, starfish, octopuses, sea urchins, and a variety of fish are found in coral reefs.

  • Examples include the Great Barrier Reef of Australia and those of the Andaman and Nicobar islands in India.

Glimpse of coastal habitat