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Pancorius Jumping Spider

Pancorius sp.

Description:

I use to get fascinated by jumping spiders since childhood and the most fascinating thing I used to find is the way they look up to see you.So much cognition in these small beings! Found this one in Khao Sok Rainforest, Thailand. Jumping spiders are generally diurnal, active hunters. Their well-developed internal hydraulic system extends their limbs by altering the pressure of their body fluid (hemolymph) within them. This enables the spiders to jump without having large muscular legs like a grasshopper. Most jumping spiders can jump several times the length of their bodies. When a jumping spider is moving from place to place, and especially just before it jumps, it tethers a filament of silk (or 'dragline') to whatever it is standing on to protect itself if the jump should fail.Should it fall, for example if the prey shakes it off, it climbs back up the silk tether. Some species, such as Portia, will actually let themselves down to attack prey such as a web spider apparently secure in the middle of its web. Like many other spiders that leave practically continuous silk trails, jumping spiders impregnate the silk line with pheromones that play a role in social and reproductive communication, and possibly in navigation. Certain species of jumping spiders have been shown by experiment to be capable of learning, recognizing, and remembering colors, and adapting their hunting behavior accordingly.

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Ashutosh Dudhatra
Spotted by
Ashutosh Dudhatra

จังหวัดสุราษฎร์ธานี, Thailand

Spotted on Jan 26, 2020
Submitted on Jan 26, 2020

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