Sea urchins, known for their unique appearance and intriguing habits, have captured the attention of marine enthusiasts and scientists alike. In addition to their spiky exteriors, these seafloor-dwelling creatures have a surprising affinity for accessorizing. In April 2020, several news outlets reported on an aquarium enthusiast who discovered that his sea urchins adorned … [Read more...] about Why Do Sea Urchins Wear ‘Hats’?