【明報專訊】For years, marine experts have been intrigued (好奇) and baffled (困惑) by the octopus' astounding abilities. A soft boneless creature with two massive eyes that take up a quarter of its body weight, eight usable arms, and the ability to grow up to five metres long, the octopus can change shape and colour at will, solve complex problems, walk on land and sea, and even cross through fire. This month, Animal Planet will take you into the world of this demersal (居於水底的) denizen (居民) in Deep Sea Aliens (《深海八爪怪》).