Spider (English: Spider) are creatures are arthropods or an ortho pod, as well as insects, millipedes, paving, etc., is rated. Araneae (- ah - Iraq - /) shapes, styles and sizes vary out. There are some kinds of body very wide. Some species have long, slender shape. While some species back shape similar to animals or other types of organisms, such as ants or crab, for use in camouflage.
By that the spider was discovered more than 40 000 types, and also a new type, was found to increase every year. Scientists estimate that the number of discovered this is only half of all ที่มีเท่านั้น by most small spiders found in Columbia. In South America, the length is only 0.4 mm. And the world's largest type is Goliath bird-eating spider Goliath has a body length 12-13 cm or size 25-33 cm.