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Sticker of Black-and-white spiny spider
Bug card No. 0447 of 4,939

Black-and-white spiny spider

Gasteracantha kuhli
Eats: Other bugs and small animalsSpidersForests and woods8 legsNot an insect, but a bug cousin

The black-and-white spiny spider looks like a tiny shield with six black spikes. Its hard, shiny back is white or yellowish with black markings, often with a dark cross in the middle. It sits in the centre of its round web and waits.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
From India to Japan, the Philippines and Java, in open forests and bushy places
Length
3 to 9 mm (0.12 to 0.35 in)
females are much bigger than males
Top speed
about 1.1 km/h (0.68 mph)
On foot, estimate
What does it eat?
It catches insects that fly into its round web.
For real!Photo of Black-and-white spiny spider
Picture by Kramthenik27. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Black-and-white spiny spider about 9 mm long (0.35 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailas long as 1.5 grains of rice in a rowcould run across a dinner table in 3.3 secondsmoves 34 times its own body length every second

How big is Black-and-white spiny spider compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

The female is 6 to 9 millimetres wide, but the male is only 3 to 4 millimetres.

2

The male has no spikes, just little bumps on his back.

3

No two look quite the same. The spikes and colours change from spider to spider.

4

On some Indonesian islands a very similar black-and-white spider lives in its place.

you asked

Most asked questions about Black-and-white spiny spider

?How big is the black-and-white spiny spider?

The female is about 6 to 9 millimetres wide, and the male only 3 to 4 millimetres.

For bug experts

Scientific name
Gasteracantha kuhli
Group
Spiders
Family
Araneidae
Classification
Arachnida > Araneae > Araneidae
Lives on
Asia

Where the facts come from

  1. Gasteracantha kuhli (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Kramthenik27. CC BY-SA 4.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Spiders

Also at home here: Forests and woods

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