The Fish Files
Why is salmon pink?
Salmon is so famously pink that we named a colour after it, yet the fish can't make the pigment itself. Wild or farmed, every pink fillet starts with something a salmon ate.
Read the storyOceans
How the sea works, from schooling fish to El Niño, and what it means for the food it produces.
The Fish Files
Explainer
The seafood story hidden in mangrove roots
Mangroves raise the young fish and crabs that coastal fisheries live on, and they shelter the ponds that farm shrimp. Shrimp farming once cleared them at scale. Now some of the restoration is being led from shrimp farms.
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The Fish Files
Why do fish swim together?
Thousands of fish turn as one, and nobody is giving the orders. The rules behind a school are simple. What they do for the fish, and for the people who catch them, is not.
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Explainer
Is seaweed really a climate solution?
Seaweed grows without farmland or fresh water and soaks up carbon as it does. The best evidence so far says it is a valuable crop, but not yet a meaningful way to pull carbon out of the sky.
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The Fish Files
An octopus is a lot more than eight arms.
Three hearts, blue blood and a nervous system that lives mostly in its arms. The octopus is one of the strangest animals in the sea, and the question of whether it should be farmed has become one of seafood's most heated debates.
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