An image of a creepy - crawly posted in the subredditOddly Terrifyinghas gone viral on Reddit over the last few day .

The beasty in query is a sign centipede ( Scutigera coleoptrata ) , detect in an apartment in Japan .

One of the reasons why many masses are freaked out by the critter is the vaguely threatening call that " they are fast " – which is entirely honest . Despite having to coordinate up to 15 pairs of legs , the centipede can   black market at velocity up to 40 centimeter ( 16 inches)per second .

Ok , to be fair that ’s about 0.9 miles per time of day ( 1.45 kilometer per hr ) which is silly compared to us mighty humans – but when you see an insect move at that speed , and up walls and ceilings , well , take a look for yourself .

Asone user puts it , it can run   " from your forearm to the back of your fistula cavity in 2 second base " . The ripe news is , they are unlikely to cause you any harm ( there is bad news later on , we promise ) .

Gejigeji , as they are eff in Japan , are in reality something you credibly want in your mansion . The insectivore will eat up any other insects in your firm , as well as arachnids . They ’ll gladly munch on cockroaches , termites , layer bugs , silverfish , spider and any other critter you ’d rather be disembarrass of . They are venomous , cede stingswith their front legs , but it ’s something that they very rarely do to world , and if they do you probably wo n’t experience anything other than mild discomfort .

" If you see them , you have something else infest your home that ’s deserving consume , but you do n’t notice them because the house centipede is actively taking command of that problem for you,“one Reddit exploiter wrote .

" Now , if you have a long ton of house centipede and they are often sighted .. You should actually be worrying less about them , and more about what atrocious thing is in your house to attract so many … "

" Goodnight ! Sleep well ! "

Right , now onto the bad news :   there are species of centipede out there that   are a bit more nightmarish , specifically the Mukade ( Scolopendra subspinipes ) .

These centipedes can grow up to38 centimeters(15 column inch ) , and fork out a peck more painful sting thatsometimes requires discussion ,   or at least anti - inflammatories . One death has been associate with the sting of the centipedes , a21 - year - oldwho was stung three time by the creatures over a full stop of   nine months . Her doctors believe that her death was the resultant role of an allergic reaction upon a fourth sting , due to the prior stings .