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Copse Snail
Arianta arbustorum
604 observations
Spanish Slug
Arion vulgaris
95 observations
Roman Snail
Helix pomatia
81 observations
Common European Ambersnail
Succinea putris
75 observations
Swollen River-mussel
Unio tumidus
70 observations
Great Ram's-horn
Planorbarius corneus
46 observations
Lymnaea stagnalis
Lymnaea stagnalis
36 observations
Common River-snail
Viviparus viviparus
35 observations
Black-headed Slug
Krynickillus melanocephalus
32 observations
Duck Mussel
Anodonta anatina
29 observations
Hairy Snail
Trochulus hispidus
22 observations
Leopard Slug
Limax maximus
21 observations
Northern Dusky Slug
Arion fuscus
20 observations
Bush snail
Fruticicola fruticum
18 observations
White-lipped Snail
Cepaea hortensis
13 observations
Zebra Mussel
Dreissena polymorpha
13 observations
Painter's Mussel
Unio pictorum
13 observations
Discus ruderatus
Discus ruderatus
11 observations
Ash-black Slug
Limax cinereoniger
10 observations
Plaited Door-snail
Cochlodina laminata
9 observations
Brown-lipped Snail
Cepaea nemoralis
8 observations
Milky Slug
Deroceras reticulatum
7 observations
Lemon Slug
Malacolimax tenellus
7 observations
Margined Ram's-horn
Planorbis planorbis
6 observations
Lister's River-snail
Viviparus contectus
5 observations
Glossy Pillar
Cochlicopa lubrica
5 observations
Black Slug
Arion ater
3 observations
Perforatella bidentata
Perforatella bidentata
3 observations
Mud Bithynia
Bithynia tentaculata
3 observations
Common Bladder Snail
Physa fontinalis
3 observations
Tawny Glass-snail
Euconulus fulvus
3 observations
Pellucid Glass-snail
Vitrina pellucida
3 observations
Black Gloss Snail
Zonitoides nitidus
3 observations
Moss Bladder-snail
Aplexa hypnorum
3 observations
Big-eared Radix
Radix auricularia
2 observations
River Orb-mussel
Sphaerium rivicola
2 observations
Meadow Slug
Deroceras laeve
2 observations
Yellow Cellar Slug
Limacus flavus
2 observations
Thick-shelled Mussel
Unio crassus
1 observations
Stagnicola corvus
Stagnicola corvus
1 observations
River Nerite
Theodoxus fluviatilis
1 observations
Swan Mussel
Anodonta cygnea
1 observations
Atlantic Rangia
Rangia cuneata
1 observations
Whirlpool Ram's-horn
Anisus vortex
1 observations
Small Amber Snail
Succinella oblonga
1 observations
Pacific Oyster
Magallana gigas
1 observations
Wandering Snail
Ampullaceana balthica
1 observations
Frequently Asked Questions
- The 10 most common molluscs in City of St. Petersburg are:
- Copse Snail (Arianta arbustorum)
- Spanish Slug (Arion vulgaris)
- Roman Snail (Helix pomatia)
- Common European Ambersnail (Succinea putris)
- Swollen River-mussel (Unio tumidus)
- Great Ram's-horn (Planorbarius corneus)
- Lymnaea stagnalis
- Common River-snail (Viviparus viviparus)
- Black-headed Slug (Krynickillus melanocephalus)
- Duck Mussel (Anodonta anatina)
- The most observed mollusc in City of St. Petersburg is Copse Snail (Arianta arbustorum), with 604 recorded observations.