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Spiders (order Araneae) are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms.
There are over 45,000 known species of spiders and scientists say there are likely twice that many that haven't been found. Learn about the critical roles spiders play.
Sep 15, 2023 · How to Identify Spiders. You can identify spiders by their eight legs, the color of their abdomen and cephalothorax (head), six or eight eyes, and mouthparts (chelicerae). In addition, some spiders have identifiable markings such as spots, dots, or spiny bodies and legs.
May 29, 2024 · Spider, any of more than 46,700 species of arachnids that differ from insects in having eight legs rather than six and in having the body divided into two parts rather than three. All spiders are predators, feeding almost entirely on other arthropods, especially insects.
Nov 5, 2014 · Spiders are grouped according to the type of web they make, according to the San Diego Zoo. Groups include tangle-web spiders, orb-web spiders, funnel-web spiders and nursery-web spiders.
Oct 19, 2023 · Examples of different types of spiders, with examples and pictures of each. Discover the characteristics of the main spider groups, and learn how to identify types of spiders such as tarantulas, funnel-web spiders, orb-weavers, jumping spiders and more.
Some of the most commonly seen spiders around homes and businesses in Singapore are the Kidney Garden Spider, the Wolf Spider, Domestic Huntsman Spider, Cellar Spider, Black Widow Spider, Brown Recluse Spider and Fighting Jumping Spider.
Spiders (class Arachnida, order Araneae) are air-breathing arthropods. They have eight legs, and mouthparts (chelicerae) with fangs that inject venom. Most make silk. The spiders are seventh in number of species of all animal orders. About 48,000 spider species, and 120 families have been recorded by taxonomists.
Spiders. Spiders are classified in the order Araneae, one of several orders within the larger class of arachnids, a group which also contains scorpions, mites, ticks and opiliones (harvestmen). There are more than 40,000 described species of spider. They are found all over the world, from the tropics to the Arctic.
Learn more about spiders, their origins and how they are classified: What is a spider? Spider facts; Spider origins; Classifying spiders; Spiders are everywhere; Glossary of spider terms. Read stories from our Arachnology Collection: Mysterious Marine Spiders in Sydney Harbour; Stone Centipedes - Living Fossils.
