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Sticker of Ghost slug
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Ghost slug

Selenochlamys ysbryda
Name means: “ghost, in the Welsh language”
Eats: Other bugs and small animalsSnails, slugs and wormsGardens and meadowsNo legsNot an insect, but a bug cousin

The ghost slug is pure white and has no eyes at all. It lives deep in the soil and only comes up at night, so people almost never see it. Unlike most slugs, it is a hunter that eats earthworms.

Fun fact: this one is not an insect at all, it has no legs! But kids find it on every bug hunt, so it lives in Bug Wiki too.
Lives in
Wales and a few places in England, and probably first from the Crimean Mountains
Length
6.4 cm (2.5 in)
with its body stretched out
Top speed
about 0.02 km/h (0.01 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. If you ever find one, scientists would love to hear about it.
What does it eat?
It hunts earthworms under the ground and slices them with sharp, blade-like teeth.
For real!Photo of Ghost slug
Picture by ©Amgueddfa Cymru - National Museum Wales. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Ghost slug about 6.4 cm long (2.5 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
as long as 2 toy building bricks in a rowneeds 3 minutes to cross a dinner table

How big is Ghost slug compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

It can live as deep as a metre under the ground.

2

It was only named in 2008, after people kept finding strange white slugs in Welsh gardens.

3

It was picked as one of the top 10 new animals and plants found in 2008.

4

Its breathing hole is at the back end of its body, near the tail, not at the front like most slugs.

5

Scientists think it may have come to Britain hidden in the soil of a potted plant.

you asked

Most asked questions about Ghost slug

?Is the ghost slug dangerous?

No. It is not harmful to people. It only hunts earthworms.

?Why is it called the ghost slug?

Because it is white, comes out at night and is very rarely seen, like a ghost.

?What does the ghost slug eat?

Earthworms. It catches them underground with its sharp teeth.

For bug experts

Scientific name
Selenochlamys ysbryda
Named by
Rowson & Symondson, 2008
Group
Snails, slugs and worms
Family
Oxychilidae
Classification
Gastropoda > Stylommatophora > Oxychilidae
Lives on
Europe

Where the facts come from

  1. Selenochlamys ysbryda (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 ©Amgueddfa Cymru - National Museum Wales. 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 hello@bugwiki.app and we will fix it.

More from the same group: Snails, slugs and worms

Also at home here: Gardens and meadows