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Articles sur Fisheries

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Blue sharks, which are prized for their fins, swimming off Cape Point in South Africa. Morne Hardenberg

South Africa’s plan to protect sharks needs an urgent update

Sharks grow slowly and produce few young compared to bony fishes. In many cases, this means that their populations are fished out faster than can be replenished if not well managed.
Jeremiah Kiarie rounds up tilapia at Green Algae Highland fish farm in central Kenya on April 29, 2017. Tony Karumba/AFP via Getty Images

Farming fish in fresh water is more affordable and sustainable than in the ocean

Aquaculture is a growing source of healthy protein for millions of people around the world, but there are big differences between farming fish on land and at sea.
Jeffrey Shima

Under the moonlight: a little light and shade helps larval fish to grow at night

Young fish need to find food to grow, but avoid being eaten themselves. That dance for survival is linked to moonlight, which has implications for fisheries management everywhere.
Eelgrasses covered with small snails, which keep the leaves clean by feeding on algae that live on them. Jonathan Lefcheck

Restoring seagrasses can bring coastal bays back to life

Healthy seagrasses form underwater meadows teeming with fish and shellfish. A successful large-scale restoration project in Virginia could become a model for reseeding damaged seagrass beds worldwide.

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