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World's First Rewilded Sharks Are Thriving in the Ocean
Science
Science5 min

World's First Rewilded Sharks Are Thriving in the Ocean

A trailblazing attempt to repopulate the ocean with sharks born from surplus aquarium eggs is expanding marine conservation.

February 6, 2026
5 min read
Source: Reasons to be Cheerful
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In a groundbreaking conservation effort, the world's first rewilded sharks — raised from eggs that would otherwise have been discarded — are now thriving in their natural ocean habitat.

The ReShark program collects surplus eggs from aquariums worldwide, hatches them in specialized facilities, and releases the young sharks into carefully selected marine environments.

The ReShark program collects surplus eggs from aquariums worldwide, hatches them in specialized facilities, and releases the young sharks into carefully selected marine environments.

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