That’s what we used to think but then this article came out and changed everything we thought we knew about the relationship between sharks and Earth’s largest satellite. Sharks are, according to the article, the most lunarly attuned fish. Hammerhead sharks have been observed exhibiting behavior that is suggestive of an ability to predict eclipses. These sharks care enough about the moon to line their burrows with shells oriented along the path the moon takes through the sky.