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Sticker of Water springtail
Bug card No. 1428 of 1,500

Water springtail

Podura aquatica
Eats: Leftovers and dead thingsOther insectsPonds, rivers and shores6 legs

The water springtail is a tiny bluish grey bug that spends its whole life on top of still water. It is so light that it can stand on the water without sinking. It has a flat spring under its tail and can jump right off the water.

Lives in
Ponds and other still water in Europe, northern Asia and North America
Length
1.5 mm (0.06 in)
Top speed
about 0.35 km/h (0.22 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is much too small to hurt anybody.
What does it eat?
It eats tiny bits of dead things that float on the water surface.
For real!Photo of Water springtail
Picture by Christian Fischer. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Water springtail about 1.5 mm long (0.06 in)A grain of rice about 6 mm (0.24 in)
4 of them in a row are as long as one grain of ricecould run across a dinner table in 10 secondsmoves 65 times its own body length every second

How big is Water springtail compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It jumps with a flat spring under its body, and it can jump without breaking through the water skin.

2

Its eggs are laid on the water and sink straight to the bottom. The baby grows inside the egg under water.

3

When the baby hatches, it floats up to the top because its skin does not get wet.

4

It likes light and uses shiny, blue light bouncing off water to find a good pond to live on.

5

Its family is very small. Scientists know only four kinds in it.

you asked

Most asked questions about Water springtail

?How big is a water springtail?

Tiny. It grows only up to 1.5 millimetres long.

?Where do water springtails live?

On the surface of ponds, puddles and other still water, all their lives.

?Is a water springtail an insect?

It has six legs like an insect, but springtails are a special group of little hexapods of their own.

For bug experts

Scientific name
Podura aquatica
Group
Other insects
Family
Poduridae
Classification
Collembola > Poduromorpha > Poduridae
Lives on
Europe, Asia, North America

Where the facts come from

  1. Podura aquatica (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 Christian Fischer. CC BY-SA 3.0, Wikimedia Commons. The round sticker of this bug is cut from the same 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.

More from the same group: Other insects

Also at home here: Ponds, rivers and shores