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Sticker of Peppered backswimmer
Bug card No. 3301 of 4,939

Peppered backswimmer

Notonecta maculata

The peppered backswimmer is a water bug that swims upside down, lying on its back. It is light brown with dark speckles and has big reddish eyes. Its long back legs are shaped like oars, and it rows through the water with them.

Lives in
Europe, including the United Kingdom, in ponds, lakes, swamps and rivers
Length
2 cm (0.79 in)
Top speed
about 2.3 km/h (1.4 mph)
Swimming, estimate
What does it eat?
It is a fierce little hunter. It eats water fleas, tiny water animals and mosquito eggs, and almost anything else it can catch.
For real!Photo of Peppered backswimmer
Picture by Didier Descouens. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Peppered backswimmer about 2 cm long (0.79 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
as long as 3 grains of rice in a rowcould swim the length of a bathtub in 3.1 secondsmoves 32 times its own body length every second

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cool stuff

Fun facts

1

When it hunts, it picks the biggest water fleas it can find.

2

It can fly. If fish or other big hunters show up, it flies away to a different pond.

3

Its front wings are mottled and brick-coloured, which helps tell it apart from its cousins.

4

In the dark it only spots prey that is close by, so it grabs the biggest one nearby.

5

It grows up to about 2 centimetres long.

you asked

Most asked questions about Peppered backswimmer

?What does the peppered backswimmer eat?

Water fleas, tiny water animals, mosquito eggs and almost anything else it can catch.

?How big is the peppered backswimmer?

It grows up to about 2 centimetres long.

For bug experts

Scientific name
Notonecta maculata
Group
True bugs and cicadas
Family
Notonectidae
Classification
Insecta > Hemiptera > Notonectidae
Lives on
Europe

Where the facts come from

  1. Notonecta maculata (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 Didier Descouens. 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: True bugs and cicadas

Also at home here: Ponds, rivers and shores

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