Comments for
black, fuzzy with a red u shape (Red-backed Jumping Spider or Johnson Jumper)

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RED-BACKED JUMPING SPIDER
by: Moni

Matthew
All spiders have 8 legs.
Send us a photo if you think it is something else.
6 leggs?
by: Matthew

Found one that looks like this, but I can only see 6 leggs. About the size of a nickel.
Found one in East Bay
by: Eleanor Post

I found a male on my coffee table in Oakland.
JOHNSON JUMPER
by: Moni

Amber
The male's abdomen is entirely red, while the female's abdomen has a black mark down the center.
black red jumper
by: amber

does anybody know what the difference is between male and female?
the johnson jumper
by: martin

today i was at school and me and my girlfriend were laying in the grass for a while and when we got up i saw the same spider in the picture on my backpack but of course i didnt know anything about the spider untill now. they say its a jumping spider? well it was there on my back pack for a while and i was trying to catch it in a piece of plastic and it never jumped nor bit me and i was wonder if it was poisoness or not so i showed it to my grandpa and he said it was cause it was red so i killed it
Red-backed Jumping Spider
by: Moni

Anonymous
Generally from a flat sitting position they only jump and inch or two.Jumping spiders only jump a foot at most unless you consider the distance that they might jump if they are sitting on the top of a picket fence and you brush them to the ground ...then it might be more.
question.
by: anonymous

just a question ; we were having a family get together earlier this evening and we found one of these spiders, we researched up on here , and we found out that it could jump , I was just wondering how high/far can they jump ? ..
Red-backed Jumping Spider or Johnson Jumper
by: Moni

Denise
You do have a Red-backed Jumping Spider or Johnson Jumper (Amer Arachnological Society official name). This one is a female.
They can bite humans and it is said to hurt but not be poisonous.
This spider like most jumping spiders are great garden predators, so put it out in the garden to eat grasshoppers and other pests.
Black, fuzzy with red u shape on back
by: GardenRedHead

It's just a jumper spider. They are very common and come in a range of colors and sizes. From black to gray. As a matter of fact, I was painting a mailbox yesterday and one startled me ,the same as your pic. it was on my shirt. They don't spin webs like others,and will rare up and look like they will kill you, but a little side swipe ,and they know who's boss. I then put them back in the garden. They look scary,but it is nonpoisonous. The only time a nonpoisonous spider has venom, is when it has an egg sack. And most bites get no bigger than a mosquito bite.

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