Check out 5 of the most curious arachnids in the world

Although many people are scared to death of spiders, they are extraordinary animals. Despite being poisonous and the dread they cause, only a few of these pets pose risks to humans. In fact, there is a lot of research going on related to the toxins they produce and their incredible webs for possible applications in medicine and various technologies.

In addition, if you don't know, spiders rank seventh in number of species in the Animal Kingdom and have managed to settle on every continent on the planet - except Antarctica. So, with such a variety spread around the world, it is obvious that there could be no shortage of curious people out there. Check out 5 of them below:

1 - Cebrennus rechenbergi

Native to the desert of Erg Chebbi, located in southwestern Morocco, Cebrennus rechenbergi is a species of spider that was only scientifically described in 2014 and whose body is barely two centimeters long. And what is this pet so special about? Watch the following video and find out!

Well, dear reader, when they feel threatened, C. rechenbergi spiders flee from their predators by somersaults, as you saw in the video above. They can travel about two meters per second - which is double what they could cover by moving normally. And there's more: the animals can also spin this way uphill when needed!

2 - Caerostris darwini

Endemic to Madagascar, Caerostris darwini are famous for their ingenious and resilient webs - and for the unusual behavior that males exhibit during mating. Before starting the “spit and roll” itself, males usually nibble on female genitals and immobilize them with their webs.

Another thing that happens is that males leave their genitals inside the suitors' bodies to prevent them from mating with other partners - and possibly to have time to escape before the spiders break free and devour them, which is what Females do when they have the opportunity.

3 - Cyrtarachne inaequalis

Cyrtarachne inaequalis spiders can be found in India, China, Korea and Myanmar, and they do something scientists have yet to understand: their tiny little bodies throb in a psychedelic way. Look:

The images above were taken by a photographer named Nick Bay, who explained that the C. inaequalis abdomen has a "pulsating movement that appears to show the internal organs of these animals working through a translucent membrane." No one has yet been able to explain how and for what purpose the spiders make this curious display, but some scientists argue that it may serve to attract prey and scare off predators.

4 - Scytodes

Scytodes, in fact, is not the name of a species but a genus of spiders that can be found all over the world. And what do they do that makes them different from others? These arachnids are also known as "spitting spiders" - and you'll understand why!

Spiders of this genus often capture their prey by throwing a pair of poison-soaked web filaments that zigzag to the target at speeds up to 100 km / h! As if little, these strands are still super sticky, and once the victim is all tangled up, the fibers dry and shrink, leaving the animal completely trapped - and ready for Scytodes to deliver a deadly dose of poison.

5 - Dolomedes

Did you know that there is a genus of spiders that can float on water? Of the genus Dolomedes, these arachnids can be found in Australia (of course!) And New Zealand, as well as in some parts of Europe and the US, and their little bodies are covered by a hydrophobic layer that allows them to lie quietly on the surface - where they “fish” their victims!

Regarding the “victims”, the Dolomedes use the hairs that cover their paws to feel the vibrations in the water that indicate the approach and location of a possible prey. And while they usually feed on tadpoles and aquatic insects, these spiders do not dispense with small fish either - and are able to dive down to 18 inches deep to catch them.