How the Pacific bluefin tuna thrives in frigid ocean waters
In short: While most fish become sluggish in low temperatures, the Pacific bluefin tuna remains a high-speed apex predator. This video explores the unique physiological adaptations that allow these fish to retain body heat in the cold Pacific ocean.
The Pacific bluefin tuna has evolved specialized physiology to maintain its performance in freezing environments. While most fish species slow down significantly when temperatures drop, these predators use heat-retention mechanisms to stay active. Interestingly, these adaptations are selective, as the tuna's heart remains cold despite the rest of its body's ability to conserve heat.
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- Summary by Intellect · source: The Speedy Cold-Hearted Tuna
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