Spider-general-facts

• Spiders belongs to class Arachnida
• All spiders have 8 legs.
• Spiders are found worldwide on every continent except for Antarctica.
• Spiders are arachnids, not insects.
• Spiders don’t have antennae while insects do.
• Abandoned spider webs are known as Cobwebs.
• Huntsman spider  is the largest spider by leg-span. It can have 12 inch leg-span and 1.8 inch body-length.
• Goliath birdeater is the largest spider by mass. These can weigh over 170 g.
• Not only can all spiders make silk, but they can do so throughout their life cycles.
• Before a spider can eat its prey they must turn the meal into a liquid form.
• Over 40,000 living species of spiders (order Araneae) have been identified and are currently grouped into about 110 families and about 3,700 genera by arachnologists.
• Widow spiders species is most venomous. This spider's bite is much feared because its venom is reported to be 15 times stronger than a rattlesnake's.
• Spiders are Carnivores.
• Females lay up to 3000 eggs in one or more silk egg sacs. In some species the females die afterwards, but females of other species protect the sacs by attaching them to their webs.
• The life span for most spiders(not all 100%) is 1-2 years.
• Patu digua is the  smallest spider in the world.
• Tarantulas also have silk glands in their. They omprise a group of often hairy and very large arachnids belonging to the family Theraphosidae, of which approximately 900 species have been identified.
• Most spiders have four pairs of eyes on the top-front area of the cephalothorax, arranged in patterns that vary from one family to another.
• Which spider live in or around water is known as Raft spider.
• Orb web spiders produce decorated webs called stabilimentum. The brightly coloured wasp spider is a member of the orb-web spinning family. This group of spiders produce magnificent web decoration called stabilimentum. The designs of the wasp spiders woven tapestry is zigzag.
• spider is the UK's most venomous spider.