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Sticker of Seashore springtail
Bug card No. 1205 of 1,500

Seashore springtail

Anurida maritima
Eats: Leftovers and dead thingsOther insectsPonds, rivers and shores6 legs

The seashore springtail is a tiny dark blue bug that lives at the seaside. It is covered in white hairs that keep it dry, so it can walk on top of the water in rock pools. Hundreds of them often gather together in one big crowd.

Lives in
Rocky shores and salt marshes all around the world
Length
3 mm (0.12 in)
Top speed
about 0.5 km/h (0.31 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is too small to bite you, so you can watch it on a rock pool.
What does it eat?
It cleans up the beach by eating dead animals, mostly little crabs, barnacles and snails.
For real!Photo of Seashore springtail
Picture by Stephan Sprinz. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Seashore springtail about 3 mm long (0.12 in)A grain of rice about 6 mm (0.24 in)
small enough to sit on your fingernailcould run across a dinner table in 7.2 secondsmoves 46 times its own body length every second

How big is Seashore springtail compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Most springtails can jump, but this one cannot. Its jumping tail is so small that it does not work any more.

2

It moves with the tides, which come and go about every 12 and a half hours. It has a little clock inside its body that keeps the rhythm.

3

It uses its eyes to find its way when it moves around the shore.

4

It makes a special smell that tells the others to come and join the group.

5

Where it is cold, it spends the winter as an egg and comes out only in summer.

you asked

Most asked questions about Seashore springtail

?How big is a seashore springtail?

Very small. It grows up to about 3 millimetres, smaller than a grain of rice.

?Can a seashore springtail swim?

It does not swim, but its water-proof hairs let it stand and walk on top of the water.

?What does a seashore springtail eat?

Dead sea animals, like little crabs, barnacles and snails.

For bug experts

Scientific name
Anurida maritima
Group
Other insects
Family
Neanuridae
Classification
Collembola > Poduromorpha > Neanuridae
Lives on
Europe, Asia, Africa, North America, South America, Australia and Oceania
Also known as
Rock springtail

Where the facts come from

  1. Anurida maritima (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 Stephan Sprinz. CC BY 4.0, 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 hello@bugwiki.app and we will fix it.

More from the same group: Other insects

Also at home here: Ponds, rivers and shores