Two miles under the ocean off California, 20,000 pearl octopuses use the gentle heat of nearby volcanic springs to help their babies hatch faster
cientists have solved the mystery of why tens of thousands of octopuses cluster on the foothills of a giant underwater mountain, two miles down off the coast of California. The pearl octopuses, so named because from a distance they look like scattered gems, seek out warm water seeping through the seabed and use it to speed up the hatching of their eggs.near Davidson Seamount in 2018, the second of four known deep-sea octopus aggregations.
Revisiting individual nests, the team saw that rather than taking a decade or longer to hatch, as would happen in the very cold deep sea, baby octopuses emerge from their cosy nests after less than two years, dramatically boosting their chances of survival.
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