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Copse Snail
Arianta arbustorum
101 observations
Blue Mussel
Mytilus edulis
27 observations
Ash-black Slug
Limax cinereoniger
22 observations
Rough Periwinkle
Littorina saxatilis
17 observations
Common Periwinkle
Littorina littorea
17 observations
Soft-shelled Clam
Mya arenaria
15 observations
Baltic Macoma
Macoma balthica
14 observations
Common Whelk
Buccinum undatum
12 observations
Greenland Smoothcockle
Serripes groenlandicus
10 observations
Lymnaea stagnalis
Lymnaea stagnalis
9 observations
Tortoiseshell Limpet
Testudinalia testudinalis
9 observations
Common European Ambersnail
Succinea putris
8 observations
Discus ruderatus
Discus ruderatus
7 observations
Naked Sea Butterfly
Clione limacina
6 observations
Arctic Hiatella
Hiatella arctica
6 observations
Bushy-backed Nudibranch
Dendronotus frondosus
6 observations
Red-fingered Coryphella
Coryphella verrucosa
6 observations
Northern Dusky Slug
Arion fuscus
5 observations
Mottled Red Chiton
Tonicella marmorea
5 observations
Aeolidia filomenae
Aeolidia filomenae
5 observations
Flat Periwinkle
Littorina obtusata
4 observations
Bush snail
Fruticicola fruticum
4 observations
Great Ram's-horn
Planorbarius corneus
4 observations
Swan Mussel
Anodonta cygnea
4 observations
Laver Spire-shell
Peringia ulvae
4 observations
Clausilia cruciata
Clausilia cruciata
4 observations
Rim-backed Nudibranch
Palio dubia
3 observations
Northern yoldia
Yoldia hyperborea
3 observations
Elliptical Astarte Clam
Tridonta elliptica
3 observations
Leopard Slug
Limax maximus
2 observations
Plaited Door-snail
Cochlodina laminata
2 observations
Lister's River-snail
Viviparus contectus
2 observations
Duck Mussel
Anodonta anatina
2 observations
Tawny Glass-snail
Euconulus fulvus
2 observations
Northern Lacuna
Lacuna vincta
2 observations
Boreal Top
Zoogenetes harpa
2 observations
Helicid Pteropod
Limacina helicina
2 observations
Truncate Softshell Clam
Mya truncata
2 observations
Arctic moonsnail
Cryptonatica affinis
2 observations
Northern White Chiton
Stenosemus albus
2 observations
Pearly Topshell
Margarites helicinus
2 observations
Greenland Topshell
Margarites groenlandicus
2 observations
Discordant Mussel
Musculus discors
2 observations
Shag-rug Nudibranch
Aeolidia papillosa
2 observations
Iceland Cockle
Ciliatocardium ciliatum
2 observations
Arctic yoldia
Portlandia arctica
2 observations
Slender Eolis
Coryphella gracilis
2 observations
Boreal Astarte
Tridonta borealis
2 observations
Humped Ancula Sea Slug
Ancula gibbosa
1 observations
Branched Sapsucker
Placida dendritica
1 observations
Frequently Asked Questions
- The 10 most common molluscs in Karelia are:
- Copse Snail (Arianta arbustorum)
- Blue Mussel (Mytilus edulis)
- Ash-black Slug (Limax cinereoniger)
- Rough Periwinkle (Littorina saxatilis)
- Common Periwinkle (Littorina littorea)
- Soft-shelled Clam (Mya arenaria)
- Baltic Macoma (Macoma balthica)
- Common Whelk (Buccinum undatum)
- Greenland Smoothcockle (Serripes groenlandicus)
- Lymnaea stagnalis
- The most observed mollusc in Karelia is Copse Snail (Arianta arbustorum), with 101 recorded observations.