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The Need To Breathe: Sharks Vs Low-Oxygen Habitats

… shows that sharks spend considerable time in the upper water levels of the ocean, driven by both physical and ecological needs such as preferred temperature, oxygen concentration, light levels, …

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Robot Discovers Eels and Sharks Thriving in Deep-sea Void Where Oxygen Hardly Exists

say the low levels of oxygen in the habitat the animals were found in would prove fatal for most other fish. They made their findings during a research expedition conducted in 2015, which was aimed at …

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Sharks show worth to ecology, despite dwindling – Bradenton Herald

LAKELAND — When the Deepwater Horizon oil rig disaster spewed nearly 5 million barrels of oil into the Gulf of Mexico during the spring and summer, sharks were pushed ever closer to shore. “Some species were almost being herded into some beaches because oi
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