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Common Periwinkle
Littorina littorea
278 observations
West Atlantic Surfclam
Spisula solidissima
262 observations
Northern Moonsnail
Euspira heros
255 observations
Eastern Oyster
Crassostrea virginica
223 observations
Atlantic Jackknife
Ensis leei
193 observations
Common Atlantic Slippersnail
Crepidula fornicata
142 observations
Leopard Slug
Limax maximus
105 observations
Brown-lipped Snail
Cepaea nemoralis
96 observations
Northern Quahog
Mercenaria mercenaria
94 observations
Soft-shelled Clam
Mya arenaria
70 observations
Eastern Mudsnail
Ilyanassa obsoleta
55 observations
Eastern Floater
Pyganodon cataracta
53 observations
Blue Mussel
Mytilus edulis
48 observations
False Angelwing
Petricolaria pholadiformis
46 observations
Atlantic Ribbed Mussel
Geukensia demissa
40 observations
Northern Horse Mussel
Modiolus modiolus
37 observations
Threeline Mudsnail
Ilyanassa trivittata
35 observations
White-lipped Snail
Cepaea hortensis
32 observations
Atlantic Dogwhelk
Nucella lapillus
32 observations
Atlantic Bay Scallop
Argopecten irradians
27 observations
Freshwater Pearl Mussel
Margaritifera margaritifera
25 observations
Western Dusky Slug
Arion subfuscus
24 observations
Meadow Slug
Deroceras laeve
14 observations
Black Slug
Arion ater
13 observations
Flat Periwinkle
Littorina obtusata
11 observations
Milky Slug
Deroceras reticulatum
11 observations
Atlantic deep-sea scallop
Placopecten magellanicus
11 observations
Eastern White Slippersnail
Crepidula plana
10 observations
Tree slug
Lehmannia marginata
10 observations
Tortoiseshell Limpet
Testudinalia testudinalis
10 observations
Northern Shortfin Squid
Illex illecebrosus
8 observations
Black Gloss Snail
Zonitoides nitidus
8 observations
Copse Snail
Arianta arbustorum
7 observations
Rough Periwinkle
Littorina saxatilis
6 observations
Common Pandora Clam
Pandora gouldiana
6 observations
Oval Ambersnail
Novisuccinea ovalis
4 observations
Northern Dwarf-tellin
Ameritella agilis
4 observations
False Quahog
Agriopoma morrhuanum
4 observations
Common Whelk
Buccinum undatum
3 observations
Northern Lacuna
Lacuna vincta
3 observations
Atlantic Razor
Siliqua costata
3 observations
Ribbed Cockle
Parvicardium pinnulatum
3 observations
Eastern Oyster Drill
Urosalpinx cinerea
2 observations
Great Piddock
Zirfaea crispata
2 observations
Ocean Quahog
Arctica islandica
2 observations
Grooved Fingernailclam
Sphaerium simile
2 observations
Northern Dusky Slug
Arion fuscus
2 observations
Spotted Moonsnail
Euspira triseriata
2 observations
Hairy Snail
Trochulus hispidus
1 observations
Big-eared Radix
Radix auricularia
1 observations
Frequently Asked Questions
- The 10 most common molluscs in Prince Edward Island are:
- Common Periwinkle (Littorina littorea)
- West Atlantic Surfclam (Spisula solidissima)
- Northern Moonsnail (Euspira heros)
- Eastern Oyster (Crassostrea virginica)
- Atlantic Jackknife (Ensis leei)
- Common Atlantic Slippersnail (Crepidula fornicata)
- Leopard Slug (Limax maximus)
- Brown-lipped Snail (Cepaea nemoralis)
- Northern Quahog (Mercenaria mercenaria)
- Soft-shelled Clam (Mya arenaria)
- The most observed mollusc in Prince Edward Island is Common Periwinkle (Littorina littorea), with 278 recorded observations.