Banana slug
The banana slug is a giant slug that is often as yellow as a banana. Some are green, brown or white instead, and many have black spots on their tail. It is the second biggest land slug in the whole world.

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Fun facts
It can grow up to 25 centimetres long, about as long as a ruler.
Its colour can change with where it lives and what it eats. The colour can even show if it is healthy or hurt.
It helps the forest by carrying seeds to new places.
Sometimes its tail has so many black spots that it looks completely black, like an old banana.
Most asked questions about Banana slug
?How big is a banana slug?
It can grow up to 25 centimetres long. Only one kind of land slug in the world is bigger.
?Why is it called a banana slug?
Because many of them are bright yellow, just like a banana, and some even have black spots like a ripe one.
?Is the banana slug dangerous?
No. It is harmless, just very slimy.
For bug experts
- Scientific name
- Ariolimax columbianus
- Group
- Snails, slugs and worms
- Family
- Ariolimacidae
- Classification
- Gastropoda > Stylommatophora > Ariolimacidae
- Lives on
- North America
- Also known as
- Pacific banana slug
Where the facts come from
- Ariolimax columbianus (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by Thomas Schoch. CC BY-SA 2.5, 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.