Spider are invertibrate (i.e. without backbone) animals having two body parts (fused head & thorax and abdomen) and eight legs. They feed on other living organisms. All spiders produce silk, a thin, strong protein strand extruded by the spider from spinnerets most commonly found on the end of the abdomen.
Facts About Spider
- There are more than 30,000 species of spiders.
- Males are smaller than the females.
- Spiders have silk spinning glands called spinnerets, at the tip of their abdomen.
- Most spiders have either six or eight eyes.
- Most spiders have fangs, through which venom is ejected.
- Spiders eat many types of harmful insects, helping to keep your garden free of pests.
- Most spiders are very nearsighted, they use the hair on their body to feel their way around and to sense when other animals are near.
- Webs get dirty and torn, so lots of spiders make a new one every day. They don't waste the old one, though, they roll it up into a ball and eat it!
- Sex of a spider can be determined by the size of the pedicel, the junction of cephalothorax and abdomen. In other words it is the spider’s waistline. The female will have a broad pedicel while the male’s will be more slender. The male will have club shaped pedipalps and the female will be slender and stick like
- They are carnivorous predator, they eat other living oraganisms.
- Many spiders may only live for about a year, but a number will live two years or more.