Marine Ecosystems: From Mangroves to the Deep Sea

Not all ocean habitats are the same—some teem with colour and movement, while others lie hidden in darkness. Coral reefs, mangroves, kelp forests, and deep-sea vents all support life in ways we’re still discovering. How do these ecosystems function, and why do they matter?

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What Are Marine Ecosystems?

Get to know the underwater worlds that fuel ocean life—reefs, mangroves, kelp forests, and more.

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How Are Different Ocean Habitats Connected?

Discover how ocean currents, migrating species, and nutrient flows connect coral reefs, open seas, and deep trenches into one vast, living system.

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The Open Ocean vs. Coastal Waters: What’s the Difference?

Explore the key differences between coastal waters and the open ocean, from biodiversity to adaptations—two habitats, one interconnected marine world.

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Why Are Coral Reefs Called the “Rainforests of the Sea”?

Discover why coral reefs are called the "rainforests of the sea"—exploring their biodiversity, value, and the threats they face in a warming world.

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The Role of Seagrasses, Kelp Forests, and Salt Marshes

Discover how seagrasses, kelp forests, and salt marshes support marine life, store carbon, and protect coastlines—nature’s hidden ocean heroes!

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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.

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