Arachnids
Eight legs and no antennae: spiders, scorpions, ticks and mites.
The horseshoe crab is here because it's more closely related to spiders and scorpions than to real crabs.
8 animals, A to Z.
- Black widowThe widow spiders: 34 species of small spiders with unusually potent venom.
- Horseshoe crabNot a crab at all but a relative of spiders and scorpions, little changed for about 250 million years.
- MiteTiny arachnids, mostly under 1 mm, with eight legs and a simple, unsegmented body.
- Peacock spiderA genus of tiny Australian jumping spiders, mostly 4–5 mm long.
- ScorpionArachnids with eight legs, grasping pincers and a curved tail ending in a venomous sting.
- SpiderEight-legged arachnids with fangs that inject venom and spinnerets that make silk.
- TarantulaLarge, often hairy spiders, over a thousand species in almost 200 genera.
- TickParasitic arachnids, related to mites, that feed on the blood of mammals, birds and sometimes reptiles and amphibians.
More lists: kinds of animal
How each answer is decided: How we answer. Every animal, in one list: All animals. Animals people mix up: Commonly confused animals.