Shipwrecks teem with underwater life, from microbes to sharks

When ships sink, they add artificial structures to the seafloor that can quickly become diverse, ecologically important underwater communities.

By: Avery Paxton, National Oceanic and Atmospheric Administration, The Conversation

Outlets: The Conversation

Published: February 7, 2026

Words: 1,167

Last Updated: 1 month, 1 week ago

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By Avery Paxton, National Oceanic and Atmospheric Administration

Humans have sailed the world’s oceans for thousands of years, but they haven’t all reached port. Researchers estimate that there are some three million shipwrecks worldwide, resting in shallow rivers and bays, coastal waters and the deep ocean. Many sank during catastrophes – some during storms or after running aground, others in battle or collisions with other vessels.

Shipwrecks like the RMS Titanic, RMS Lusitania …

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