Deep Thinkers | Spy in the Ocean

Spy creatures reveal an ocean full of startling ways of thinking, including large-brained whales, smart octopi, diving monkeys, creative fish and other intelligent animals.

Coconut octopuses are vulnerable to blacktip sharks, who use smell to find prey. With the help of an unlikely ally, this octopus is able to hide from hungry sharks.

Male Japanese pufferfish build exquisite sand sculptures to attract a mate. When a female is not impressed with this male's creation, Spy Puffer steps in as the artist’s assistant.

In Belize, hermit crabs have outgrown their homes, or their shells have become worse for wear. To find out how they resolve their housing issues, Spy Hermit Crab goes undercover.