Exploring the Ocean: How Scientists Study Marine Life

Shark swimming near a diver underwater

With more than 80% of the ocean still unmapped, scientists are on a mission to uncover its hidden world. From tracking sharks to scanning the seas from space, discover the tools and techniques that help us study marine life and its future.

Whale shark with a device attached on its side against a blue background.

How Do Scientists Track Whales, Sharks, and Turtles?

From whales to turtles, scientists track marine animals to learn how they move, feed, and survive—and to protect them in a changing ocean.

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Satellite above a coastal area with the text 'LESSON 2'.

What Can Satellites Tell Us About the Ocean?

Satellites help us monitor sea temperature, colour, and change—giving scientists a vital, real-time view of the ocean’s health in a changing world.

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Blue DNA double helix with 'LESSON 3' text on black background

What Is DNA Barcoding, and How Do We Discover New Species?


DNA barcoding helps scientists identify marine species, uncover new life, and explore the ocean’s hidden biodiversity—one gene at a time.

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Submarine sailing on clear blue ocean water with 'LESSON 4' text overlay.

The Role of Submarines and ROVs in Deep-Sea Exploration

Submarines, ROVs, and underwater drones are helping scientists explore the deep sea—revealing new species, ecosystems, and secrets of the ocean floor.

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Aerial view of a beach with blue water and white waves crashing onto a black sand beach, with 'LESSON 5' text overlay.

How Can We Predict the Future of Our Ocean?

How do we predict the ocean’s future? Models, data, and observing systems help scientists forecast change—and guide the way toward action and resilience.

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The ocean has more stories to tell—keep going!

Where to next?

Keep exploring marine science or discover more ways to be part of the wave

Close-up of a seal's face peeking out from between two rocks.