Ocean Exploration Trust
One species of deep-sea fish has chosen to incubate its eggs in a seemingly impossible place: the baking hot rocks of hydrothermal vents. Such vents are openings in the seabed that spew sulphurous gases and fluids from the bowels of the Earth out into the ocean.
“This is the first time this egg-incubating behaviour, using heat from active hydrothermal vents, has been recorded in the marine environment,” says study leader Pelayo Salinas de León of the Charles Darwin Foundation on Santa Cruz Island in the Galápagos. He suspects the fish do it …
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https://www.newscientist.com/article/2160650-deep-sea-fish-lay-eggs-near-hydrothermal-vents-to-keep-them-warm/
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