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Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019, this family contained over 600 described genera and over 6,000 described species, [1] making it the largest family of spiders at 13% of all species. [2] Jumping spiders have some of the best vision among arthropods and use it in courtship, hunting, and ...
Basic arrangement of spider eyes, viewed from above. Most spiders have eight eyes, which tend to be arranged into two rows of four eyes on the head region. The eyes can be categorised by their location and are divided into the anterior median eyes (AME), anterior lateral eyes (ALE), posterior median eyes (PME), and posterior lateral eyes (PLE).
Eye pattern of jumping spiders on "squared-off" cephalothorax. Jumping spiders have eight eyes, the two large ones in the centre-and-front position (the anterior-median eyes, also called "principal eyes" [6]: 51 ) providing acute vision and housed in tubes in the head. The other six are secondary eyes, positioned along the sides of the carapace ...
"Squared-off" cephalothorax and eye pattern of jumping spiders. Jumping spiders have significantly better vision than other spiders, [5]: 521 [6] much more acute than that of other animals of similar size, [7] and clearer in daylight than a cat's and 10 times more acute than a dragonfly's. [2]
"Squared-off" cephalothorax and eye pattern of jumping spiders. Although other spiders can also jump, salticids including Portia fimbriata have significantly better vision than other spiders, [12]: 521 [13] and their main eyes are more acute in daylight than a cat's and 10 times more acute than a dragonfly's. [4]
Pseudicius africanus is a species of jumping spider in the genus Pseudicius that lives in Lesotho and South Africa. The spider was first defined in 1903 by George and Elizabeth Peckham . It is small, with an oval cephalothorax measuring between 2 and 2.5 mm (0.08 and 0.10 in) in length and an ovoid abdomen that is between 2.2 and 2.5 mm (0.09 ...
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Like other jumping spiders, T. planiceps relies on their very acute eyesight for hunting. The anterior median eyes are the primary eyes used for capture of stationary prey while the anterior lateral eyes are the main eyes used in chasing Both sets of eyes can be coordinated to enable switching from one hunting type to the other. [6]