Five Facts About 'Happy Face Spider': (1) Its scientific name is Theridion grallator in recognition of its long legs - the term is Latin for stiltwalker (2) In Hawaii, where it is found it is known as the face-patterned spider - Nananana makaki'i (3) The tiny spider reaches only grows to about five millimetres long (4) Each arachnid has a unique pattern, and the patterns are different on each island where they inhabit (5) Scientists theorise that markings may change depending on what food the spider has eaten, some believe the pattern serves no practical purpose. Source: The Coming Crisis
