The ocean covers 70% of Earth.

Most of the ocean is unexplored.

Sharks existed before trees.

Jellyfish are 95% water.

Blue whales are the largest animals ever.

Octopuses have three hearts.

Coral reefs support 25% of ocean life.

Some fish can change gender.

Sea turtles can live 100+ years.

Electric eels can shock up to 600 volts.

Starfish have no brain.

Some sharks glow in the dark.

Seahorses mate for life.

Squid have donut-shaped brains.

Ocean waves can travel thousands of miles.

Some fish can walk on land.

Whale sharks have 3000 tiny teeth.

Sea otters hold hands when they sleep.

Ocean trenches are deeper than Everest is tall.

Some jellyfish are immortal.

Dolphins have names for each other.

Sea cucumbers breathe through their butt.

Crabs can grow back lost claws.

Some fish sleep with their eyes open.

Sharks don’t have bones.

Sea snakes are the most venomous snakes.

Clownfish live in poisonous anemones.

Some whales sing for hours.

Penguins can drink saltwater.

Sea stars can regrow arms.

Sharks can detect electricity.

Some fish communicate with sound.

Ocean water is heavier than freshwater.

Seaweed produces most of Earth’s oxygen.

Crabs can walk sideways and forward.

Some fish can live over 200 years.