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Great white sharks are overheating
Researchers found warm-bodied sharks and tuna use nearly 4 times more energy than cold-blooded fish, leaving them more vulnerable as food supplies shrink.
7 Articles
7 Articles
Sharks and tuna are overheating and running out of options
Some of the ocean’s fastest and most fearsome predators—like great white sharks and tuna—are running hotter than expected, and it’s costing them dearly. New research shows these warm-bodied fish burn nearly four times more energy than cold-blooded species, forcing them to eat more while also struggling to shed excess heat. As oceans warm, this creates a dangerous “double jeopardy”: rising temperatures push them closer to overheating, while shrin…
Ars Technica
technewstube.comGreat white sharks are overheating
The sharks might also be the most physiologically vulnerable to warming waters.
Large ocean fish at risk from the warming of the seas have become one of the main scientific alerts today. Iconic species such as tuna or white shark could face a critical scenario due to the rise in ocean temperature. A recent study published in Science reveals that these animals, known as mesotherms, are subject to a high energy demand that becomes unsustainable in warmer waters. This imbalance not only affects their survival, but can also alt…
Why do warm-bodied sharks overheat as oceans warm?
Warm bodied predators face a “double energy” problem A new study finds that large, warm blooded fishes—including tuna and sharks—may be increasingly vulnerable to overheating as seas warm. The key issue is an energetic mismatch in how these animals generate and lose heat. What the researchers…
Some sharks and tuna consume much more energy than previously thought. As a result, they are getting into trouble more and more often. Subscribe to the newsletter! Want the latest science news fresh in your inbox every day? Or every week? Subscribe to the newsletter here! A new study shows that so-called mesothermal fish, such as tuna […] More science? Read the latest articles on Scientias.nl.
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