In fact, marine biologists only recently discovered some of the species on this list. Check out the most fascinating and ...

Why it's awesome: Northern sea robins are weird fish with big, spiny heads; bright-blue eyes; two giant wing fins; and six crab-like legs. It's these little legs that make sea robins so unusual.

A deep-sea snail, many of Europe's fungi and half the freshwater fish in Japan are just some obscure additions to a list of threatened species. The Red List, a conservation status catalogue of ...