Hammerhead sharks are first fish found to ‘hold their breath’
From Nature, 11 May 2023: Because it makes them better hunters, scalloped hammerhead sharks (Sphyrna lewini) have evolved a unique method to avoid losing body heat when they dive for prey in deep, cold waters: they close their gills. Numerous fish and marine-mammal species are known to dive from the warm surface to deeper waters … Continue reading Hammerhead sharks are first fish found to ‘hold their breath’