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  "path": "/releases/2026/04/260417224459.htm",
  "publishedAt": "2026-04-18T01:10:25.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "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 shrinking food supplies make survival even harder.",
  "title": "Sharks and tuna are overheating and running out of options"
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