7. SOME ARE REALLY, REALLY CUTE. Crawl_Ray, Flickr // CC BY-ND 2.0 The “sea bunny” nudibranch Jorunna parva took the Internet by storm last summer, and it’s easy to see why.

The Jorunna parva is a species of slug that has been described as a ‘sea bunny’ because of its resemblance to cute baby rabbits. Now footage from a diving school has captured these 2cm-long ...