Most spiders possess eight (yes, 8!) eyes, though the majority cannot see very well with them. Web-spinning spiders are nearly blind, navigating their world mostly by touch and smell. Some spiders, such as those in the family Sicariidae, have only six eyes. Cave-dwelling species, and those which live their entire lives in the soil, may have no eyes at all. There are also some spiders that fall between these extremes, but always with an even number of eyes. Those spiders which hunt their prey “on foot” can have very keen eyesight. Among those sharp-eyed hunters are the jumping spiders (family Salticidae) and the wolf spiders (family Lycosidae), both of which have at least one pair of very large, forward-facing eyes.
More Frequently Asked Questions
General Spider Questions
- What is a spider?
- How do I identify a spider?
- What is the world's largest spider?
- How many eyes do spiders have?
- How long do spiders live?
- How are spiders helpful to people and the planet?
- What kind of animals eat spiders?
- How do spiders produce silk?
- Why do spiders spin webs?
- How do spiders create webs?
- How long does it take a spider to build a web?
- How strong is a spider web?
- Why is spider silk sticky?
- What else do spiders use silk for?
- What is the most venomous spider in the world?
- How do I treat a spider bite?
- What do spider bites look like?
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