Olios giganteusOlios giganteus is a large species of huntsman spider in the family Sparassidae. It is found in the United States and Mexico. This species is harmless to humans.CharacteristicsOlios giganteus are primarily coloured black, brown tan and orange. The spider has a crab-like appearance due to their legs being "laterigrade", at the base so as to be oriented in a horizontal plane rather than a vertical plane. The total leg span of Olios giganteus can be up to 3 inches.