These little sea slug cuties are one of 3000 known species of nudibranchs. Their crazy coloring comes from the food they eat. (See more nudibranchs in our nudibranch gallery).
A #CuteOff hashtag trending on twitter had scientists vying this week to post the cutest critter picture online. Researchers grouped themselves into taxonomical teams, nominating champions for #TeamMammal, #TeamHerpetology, and more. Even #TeamExtinct made a showing.
Not all of these lovable creatures are as big-eyed and fuzzy as you’d expect. So we’ve picked 10 of our own surprising cuties for a gallery.