Ocean Creatures Mysteriously Swim in Circles, And Scientists Don’t Know Why – ScienceAlert

A beady-eyed shark encircling its prey is a classic scene known to many ocean lovers. Except this captivating circling behavior is not all it seems, according to a new study that has observed whales, penguins, and sea turtles swimming in circles, too.
“We’ve found that a wide variety of marine megafauna showed similar circling behavior, in which animals circled consecutively at a relatively constant speed more than twice,” says marine biologist and lead author Tomoko Narazaki from the University…

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