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Ariolimax columbianus
Species of slug found on the Pacific coast of North America known as the Pacific banana slug From Wikipedia, the free encyclopedia
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Ariolimax columbianus, the Pacific banana slug, is a species of slug found on the Pacific coast of North America.[3] It is the second-largest species of terrestrial slug in the world, growing up to 25 centimeters (9.8 in) long.[3] As of 2021, it is the most commonly observed species in the genus Ariolimax on the citizen science website iNaturalist.[4] An important function of this particular species is the role it plays in seed dispersion.[5]
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Description
Ariolimax columbianus can grow up to 25 centimeters long, making it the second largest terrestrial slug in the world.[3] It is often bright yellow, but it can also be greenish, brown, tan, or white. Ariolimax columbianus commonly also has black spots covering the tail, sometimes so extensively that the tail may appear completely black. Individual slugs can also change color from changes in their environment and eating habits, and can also indicate if a slug is healthy or injured.[6]
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Distribution
Ariolimax columbianus is found from Alaska, United States and British Columbia, Canada in the north down through Idaho, Washington, and Oregon to Southern California, with the highest concentration in California. They are the only species of the genus Ariolimax that is found outside of California. They are found in moist and damp areas of the forest floor.
Mantle, note the prominent pneumostome
Tail, note full length foot fringe and keel. This individual appears to lack melanin, possibly displaying albinism.
A Pacific banana slug whose tail appears to be nearly entirely black.
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References
External links
Wikiwand - on
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