This marine mammal is known for its intelligence and ability to communicate with sounds.
Dolphin
This underwater ecosystem is made of calcium carbonate structures and hosts thousands of species.
Coral reef
This animal has a jelly-like body and stinging tentacles.
Jellyfish
This giant mammal sings underwater and migrates long distances.
Humpback whale
This is the largest ocean on Earth.
Pacific Ocean
his large fish has a fearsome reputation, but many species are harmless to humans.
Shark
This area where a river meets the sea contains brackish water.
Estuary
This mollusk has a spiral shell and moves slowly.
This marine animal has whiskers and lives in cold waters.
Walrus
This phenomenon happens when the sea level rises and falls due to the moon’s gravity.
Tides
This animal has eight arms and can change color to camouflage itself.
Octopus
This underwater forest is made of giant seaweed.
kelpforest
This animal has five arms and can regenerate them if lost.
Starfish
This animal floats on its back and uses tools to open shells.
Sea otter
This type of water covers more than 70% of Earth’s surface.
Saltwater
This crustacean walks sideways and has large claws.
Crab
This deep ocean region is so dark that sunlight cannot reach it.
Abyssal zone
This segmented invertebrate lives on the ocean floor.
Marine Worm
This animal looks like a fish but breathes air and has lungs.
Porpoise
This process allows some sea creatures to glow in the dark.
Bioluminescence
This tropical fish is famous for its relationship with sea anemones.
Clownfish
This ocean zone is near the shore and rich in marine life.
Intertidal zone
his animal has a hard shell with two hinged parts.
Clam
This marine mammal has thick skin and lives in groups called herds.
Seal
This warm ocean current affects the climate of the Americas and Europe.
Gulf Stream