Why Do Urchins Like to ‘Wear’ Corals and Rubble as a Hat?

Owners of some short spined species of urchins such as tuxedos and pincushions may have noticed their spiky echinoderms occasionally sporting an assortment of rubble or coral. We often admired this remarkable phenomenon which looks quite interesting, but as we’ve…

How do schooling fish . . . School?

The ocean and reef environment is home to many interesting and fascinating behaviors. Schooling fish is among the first such notable behaviors that visitors of the underwater realm can usually see in abundance, but we’re still trying to figure out…