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Jumping Spider

Salticidae

Description:

Jumping spiders are among the easiest to distinguish from similar spider families because of the shape of the cephalothorax and their eye patterns. The families closest to Salticidae in general appearance are the Corinnidae (distinguished also by prominent spines on the back four legs), the Oxyopidae (the Lynx spiders, distinguished by very prominent spines on all legs), and the Thomisidae (the Crab spiders, distinguished by their front four legs, which are very long and powerful). The legs of jumping spiders are not covered with any very prominent spines. Their front four legs generally are larger than the hind four, but not as dramatically so as those of the Thomisidae, nor are they held in the outstretched-arms attitude of the Thomisidae.[4] In spite of the length of their front legs, in jumping, they depend on their rear legs. The generally larger front legs are used partly to assist in grasping prey, and in some species, in species-recognition signalling.

Habitat:

Jumping spiders live in a variety of habitats. Tropical forests harbor the most species, but they are also found in temperate forests, scrub lands, deserts, intertidal zones, and even mountains. Euophrys omnisuperstes is a species reported to have been collected at the highest elevation, on the slopes of Mount Everest.


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2 Comments

LisaPowers
LisaPowers 2 years ago

Project Noah Fact of the Day: Jumping spiders have excellent vision. Their 8 eyes which are arranged around their head give them almost 360 degree view. The pair of large Anterior Median eyes (AME) which are located in the front take in a higher resolution view which is used to focus on preys. Although the eye lens are stay fixed, the retina which is inside the carapace is actually quite flexible and can move around while the head remains still. This means that the spider can be looking at you even though its head seems to be slightly facing away.

Jumping spider (Salticidae) spotted in the Philippines by PN user Norman Celis.

https://www.facebook.com/projectnoah/pho...

Norman Celis
Norman Celis 6 years ago

Thanks Dixie...

Philippines

Lat: 14.71, Long: 120.98

Spotted on Apr 23, 2012
Submitted on Apr 23, 2012

Spotted for mission

Reference

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Salticidae Salticidae Salticidae Salticidae

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