Sharks may be smarter than they seem. Recent experiments reveal they have a grasp of quantity and can learn cognitive skills from other sharks
Source:
https://www.newscientist.com/article/mg24232293-600-underwater-tests-reveal-sharks-may-be-smarter-than-you-think/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home