Indian Ocean: the Seychelles
Norbert Wu/Minden Picture/National Geographic Creative
A pair of spotted porcelain crabs perch on the slippery edge of a giant anemone. They have a mutualistic relationship: The crabs keep the anemone clean, while the anemone and its poisonous tentacles act as deadly bouncers to keep predators away from the petite, 1.4-inch-long crustaceans. Check out these rare photos of ocean’s invertebrates.
North Pacific Ocean: Honshu, Japan
The yellow goby fish, also known as an Okinawa goby, likes to live in coral reefs, but here it has taken shelter in a discarded soda can. The teeny, 1.5-inch-long fish is endowed with a powerful biological defense against attackers: It makes itself unpleasant to eat by secreting a bitter, poisonous mucus. Ever wonder how much sleep each animals needs. Here are the numbers for the cutest ones.