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Arion subfuscus

Common Name: Dusky Arion
Arion subfuscus
Arion subfuscus

Scientific Classification

Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Arionidae
Genus: Arion
Species: Arion subfuscus

Conservation Status

Identifying Features

The dusky arion is between 2-3" long and an orange to yellow brown color.

Habitat & Range

They are found around human habitations such as gardens and other wet areas including forests. In North America they are non-native and invase. They are native to Europe.


Dusky arions eat fungi, plants, algae, and carrion.

Life Cycle

These slugs lay up to 50 eggs at a time. The eggs are 2 1/4 mm by 2 1/4 - 3 1/4 mm. Their eggs are often eaten by beetle larvae and red-backed salamanders. Their life span is between about a year and a half in the wild.

Featured image by James Dake


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