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Molluscs › Roundback Slugs

Western Dusky Slug

Arion subfuscus

31,842 observations in the source records

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Wildlife study photograph from iNaturalist.
(c) emmaf18, some rights reserved (CC BY-NC)

29 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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What the records say

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Alaska.January 614, February 454, March 711, April 1,118, May 1,612, June 1,758, July 1,881, August 1,618, September 1,188, October 886, November 484, December 379.
United States15,385
Alaska12,702
Canada7,435
Ontario4,181
New York2,167
Michigan1,851
Ohio1,826
Massachusetts1,490
Pennsylvania1,295
Maine888

Counts show where people looked, not only where it lives.

Traits

Physical

  • Shell-bearingProtected by a hard shellFrom its classification

Classification

KingdomAnimals · Animalia
PhylumMolluscs · Mollusca
ClassGastropods · Gastropoda
OrderCommon Land Snails and Slugs · Stylommatophora
FamilyRoundback Slugs · Arionidae
GenusArion Slugs · Arion

Sources

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Practise Western Dusky Slug with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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