Grey reef sharks form long-term friendships, study reveals

Grey reef sharks work together and form social groups that can last for years, according to a study. Scientists who monitored a shark population off the remote Palmyra Atoll, to the south of Hawaii in the Pacific Ocean, noticed the predators formed tangled webs of social bonds.
Read more: https://www.independent.co.uk/news/science/grey-reef-sharks-social-study-pacific-ocean-a9667306.html?source=Snapzu