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  2. Spider vision - Wikipedia

    en.wikipedia.org/wiki/Spider_vision

    Hogna wolf spider (family Lycosidae) showing the enlarged posterior median eyes typical of the family. The eyes of spiders vary significantly in their structure, arrangement, and function. They usually have eight, each being a simple eye with a single lens rather than multiple units as in the compound eyes of insects. The specific arrangement ...

  3. Spider anatomy - Wikipedia

    en.wikipedia.org/wiki/Spider_anatomy

    Spiders that spin webs typically have three claws, the middle one being small; hunting spiders typically have only two claws. Since they do not have antennae, spiders use specialised and sensitive setae on their legs to pick up scent, sounds, vibrations and air currents. [6] Some spiders, such as the Australian crab spider, do not have claws.

  4. Simple eye in invertebrates - Wikipedia

    en.wikipedia.org/wiki/Simple_eye_in_invertebrates

    Spiders do not have compound eyes, but instead have several pairs of simple eyes with each pair adapted for a specific task or tasks. The principal and secondary eyes in spiders are arranged in four, or occasionally fewer, pairs. Only the principal eyes have moveable retinas. The secondary eyes have a reflector at the back of the eyes.

  5. The 10 Most Common House Spiders to Look Out For, According ...

    www.aol.com/lifestyle/10-most-common-house...

    Spiders are beneficial bugs that help control other pest insects such as flies, adult mosquitoes, ants, etc.” Capture and release can look like using a cup and a piece of paper to capture and ...

  6. Wolf spider - Wikipedia

    en.wikipedia.org/wiki/Wolf_spider

    [1] [2] They have eight eyes arranged in three rows. The bottom row consists of four small eyes, the middle row has two very large eyes (which distinguishes them from the Pisauridae), and the top row has two medium-sized eyes. Unlike most other arachnids, which are generally blind or have poor vision, wolf spiders have excellent eyesight.

  7. Deinopidae - Wikipedia

    en.wikipedia.org/wiki/Deinopidae

    The posterior median eyes have excellent night vision, allowing them to cast nets accurately in low-light conditions. These eyes are larger than the others, and sometimes makes these spiders appear to only have two eyes. Ogre-faced spiders are the best known genus in this family. The name refers to the perceived physical similarity to the ...

  8. Why Australian zoo is asking Sydney residents to catch ... - AOL

    www.aol.com/why-australian-zoo-asking-sydney...

    The Australian Reptile Park in New South Wales is urging Sydney residents to carefully collect funnel-web spiders and their eggs so they can be used to make life-saving antivenom.

  9. Spitting spider - Wikipedia

    en.wikipedia.org/wiki/Spitting_spider

    Scytodidae spiders are haplogyne, meaning they lack hardened female genitalia. They have six eyes, like most spiders in this group, arranged in three pairs. They possess long legs and a dome-shaped cephalothorax, and are usually yellow or light brown with black spots or marks. Their domed head and three eye groups tend to resemble a human skull ...