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Sticker of Walckenaer's studded triangular spider
Bug card No. 4609 of 4,939

Walckenaer's studded triangular spider

Arkys walckenaeri
Name means: “named in honour of Charles Walckenaer, a French scientist”
Eats: Other bugs and small animalsSpidersForests and woods8 legsNot an insect, but a bug cousin

This small spider from Australia has a body shaped like a triangle. It does not wait in a web. It sits still with its long, curved front legs ready and grabs insects that come close.

Fun fact: spiders are not insects. Insects have six legs, spiders have eight. Everyone calls them bugs anyway!
Lives in
Australia and the island of Java
Length
7 mm (0.28 in)
Top speed
about 1 km/h (0.62 mph)
On foot, estimate
What does it eat?
It ambushes small insects, grabbing them with its long, curved front legs.
For real!Photo of Walckenaer's studded triangular spider
Picture by iNaturalist Australia user: wendy_moore. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Walckenaer's studded triangular spider about 7 mm long (0.28 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 fingernailcould run across a dinner table in 3.6 secondsmoves 40 times its own body length every second

How big is Walckenaer's studded triangular spider compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

In Queensland and on Java it has an orange or red body with white dots.

2

In western and southern Australia and Tasmania it is pale yellow with hardly any markings.

3

Boys and girls are about the same size, around 7 millimetres long.

you asked

Most asked questions about Walckenaer's studded triangular spider

?How big is it?

Small. Both males and females are about 7 millimetres long.

For bug experts

Scientific name
Arkys walckenaeri
Group
Spiders
Family
Arkyidae
Classification
Arachnida > Araneae > Arkyidae
Lives on
Australia and Oceania, Asia
Also known as
Walckenaer's studded arkys

Where the facts come from

  1. Arkys walckenaeri (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 iNaturalist Australia user: wendy_moore. CC BY 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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