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Garden Snail
Cornu aspersum
279 observations
White Italian Snail
Theba pisana
271 observations
Brown-lipped Snail
Cepaea nemoralis
159 observations
Decollate Snail
Rumina decollata
107 observations
Portugala inchoata
Portugala inchoata
102 observations
Milk Snail
Otala lactea
90 observations
Cantabrian Nudibranch
Felimare cantabrica
59 observations
Common Octopus
Octopus vulgaris
53 observations
European Common Cuttlefish
Sepia officinalis
53 observations
Felimare villafranca
Felimare villafranca
50 observations
Sooty Seahare
Aplysia fasciata
48 observations
Felimare fontandraui
Felimare fontandraui
42 observations
Striped false limpet
Siphonaria pectinata
42 observations
Spotted Seahare
Aplysia punctata
39 observations
Depilatory Seahare
Aplysia depilans
39 observations
White Flabellina
Luisella babai
39 observations
Black Slug
Arion ater
37 observations
Small Pointed Snail
Cochlicella barbara
37 observations
scribbled nudibranch
Doriopsilla areolata
36 observations
Rudmania purpurea
Rudmania purpurea
34 observations
Pointed Snail
Cochlicella acuta
30 observations
Krohn's Dorid
Rudmania krohni
30 observations
Common Door-snail
Clausilia bidentata
29 observations
Crowned Aeolis
Facelina auriculata
27 observations
Horn Shell
Thericium vulgatum
25 observations
Yellow Cellar Slug
Limacus flavus
24 observations
Netted Dogwhelk
Tritia reticulata
23 observations
Leopard Slug
Limax maximus
22 observations
Common Cockle
Cerastoderma edule
22 observations
Common Chrysalis-Snail
Lauria cylindracea
17 observations
Chondrina lusitanica
Chondrina lusitanica
16 observations
Sap-sucking Slug
Elysia viridis
16 observations
Asian Clam
Corbicula fluminea
15 observations
Violet Sea Snail
Janthina janthina
13 observations
European Painted Top Shell
Calliostoma zizyphinum
13 observations
Spurilla neapolitana
Spurilla neapolitana
12 observations
Mediterranean Mussel
Mytilus galloprovincialis
12 observations
European cowrie
Trivia monacha
12 observations
Four-lined Polycera
Polycera quadrilineata
12 observations
Tricolored Felimare
Felimare tricolor
12 observations
Felimida luteorosea
Felimida luteorosea
12 observations
Small Periwinkle
Melarhaphe neritoides
11 observations
Oestophora barbula
Oestophora barbula
10 observations
Green Ormer
Haliotis tuberculata
10 observations
Acute Bladder Snail
Physella acuta
10 observations
Large Necklace Shell
Euspira catena
10 observations
Polycera kernowensis
Polycera kernowensis
10 observations
Pullet Carpet Shell
Venerupis corrugata
9 observations
Common piddock
Pholas dactylus
9 observations
Orange-clubbed Sea Slug
Limacia clavigera
9 observations
Frequently Asked Questions
- The 10 most common molluscs in Leiria are:
- Garden Snail (Cornu aspersum)
- White Italian Snail (Theba pisana)
- Brown-lipped Snail (Cepaea nemoralis)
- Decollate Snail (Rumina decollata)
- Portugala inchoata
- Milk Snail (Otala lactea)
- Cantabrian Nudibranch (Felimare cantabrica)
- Common Octopus (Octopus vulgaris)
- European Common Cuttlefish (Sepia officinalis)
- Felimare villafranca
- The most observed mollusc in Leiria is Garden Snail (Cornu aspersum), with 279 recorded observations.