Search Results for: Bluefin tuna
lamnidae—shortfin mako, long fin mako, white, porbeagle, and salmon shark—are known to have this capacity, and evidence suggests the trait exists in family alopiidae (thresher sharks). the degree of being able to have elevated temperatures varies from the billfish, which warm only their eyes and brain, to bluefin
tuna and porbeagle sharks, which can elevate body temperatures in excess of °c above ambient water temperatures. in many cases, this phenomena has been traced to heat exchange, as warmer blood being returned to the gills in small veins runs close to colder, oxygenated blood in narrow arteries leaving...
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