Molluscs › Roundback Slugs
Northern Dusky Slug
Arion fuscus
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.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Western Dusky SlugArion subfuscus
Spanish SlugArion vulgaris
Black SlugArion ater
Ash-black SlugLimax cinereoniger
Yellow Cellar SlugLimacus flavus
Milky SlugDeroceras reticulatum
Lemon SlugMalacolimax tenellus
Garden ArionArion hortensis
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 16,184 |
|---|---|
| Alaska | 16,049 |
| Russia | 910 |
| Canada | 505 |
| Ukraine | 235 |
| Finland | 188 |
| Moscow Oblast | 172 |
| Ontario | 150 |
| Nizhny Novgorod Oblast | 134 |
| Quebec | 113 |
Counts show where people looked, not only where it lives.
Traits
Physical
- Shell-bearingProtected by a hard shellFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Molluscs · Mollusca |
| Class | Gastropods · Gastropoda |
| Order | Common Land Snails and Slugs · Stylommatophora |
| Family | Roundback Slugs · Arionidae |
| Genus | Arion Slugs · Arion |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Northern Dusky Slug with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.