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en.wikipedia.org/wiki/List_of_six-eyed_spiders

Six-eyed spiders are spiders that, unlike most spider species miss the principal pair of eyes, leaving them with only six eyes instead of the usual eight. ... Most pholcids have eight eyes, although some have only six. Jump up ^ Tong, Y. F. & S. Q. ...

en.wikipedia.org/wiki/Spider_anatomy

Spiders have up to eight eyes, each with a single lens rather ... the rest, or even, in some cave species, there are no eyes at all. ... the eyes, and since arachnid eyes do not have irises, it is rapidly ...

www.livescience.com/24054-why-spiders-have-eight-eyes.html

Oct 17, 2012 ... Spiders need their secondary eyes to dodge when something comes their way. ... The jumping spider Phidippus audex, like most spiders, sports 8 eyes. ... Either way, new research suggests all those extra pairs of spider peepers have ... than trapping it in webs, have four pairs of eyes (as do most spiders).

annemaclachlan.wordpress.com/2010/05/30/why-do-spiders-have-eight-eyes

May 30, 2010 ... Apparently not all arachnids actually have eight eyes. Spiders who have eight of them use them all, yet they still don't see as well as do those of ...

scienceline.ucsb.edu/getkey.php?key=3238

You're right, most spiders do have eight eyes - but not all of them! Some spiders have two eyes while others have four or six. There are over 34,000 species of ...

www.quora.com/Why-do-spiders-have-eight-eyes

Note that many spiders also don't have eight eyes - secondary eye pairs are not that hard ... You can have spiders with six eyes, with four, or even no eyes at all.

www.quora.com/Why-do-some-spiders-have-8-eyes-whilst-others-have-6

Most spiders have eight eyes, but some have six, and some fewer. A few have no eyes at all. Those species likely lost a pair somewhere in their evolutionary ...

www.quora.com/Do-all-spiders-have-8-legs

Yes, all spiders START OUT with 8 legs. But it's not unusual to see a spider with 7 legs, or even fewer. If a spider's leg ... If it don't have 8 legs, it's not a spider. 4k Views · 2 ... Why do some spiders have 8 eyes, whilst others have 6? Do spiders  ...

www.spiders.us/faq/how-many-eyes-do-spiders-have

Most spiders possess eight (yes, 8!) eyes, though the majority cannot see very well ... and those which live their entire lives in the soil, may have no eyes at all.

infinitespider.com/many-eyes-spider

Oct 28, 2014 ... Spiders usually have eight or fewer eyes (some have six or less). ... large lens in one eye doesn't restrict resolution like a compound eye does.