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Garden Snail
Cornu aspersum
142 observations
Phorcus sauciatus
Phorcus sauciatus
84 observations
Tectarius striatus
Tectarius striatus
82 observations
Common Octopus
Octopus vulgaris
75 observations
Patella gomesii
Patella gomesii
68 observations
Regal Sea Goddess
Felimare picta
53 observations
Balea heydeni
Balea heydeni
46 observations
Red-mouthed Dog Winkle
Stramonita haemastoma
45 observations
Patella aspera
Patella aspera
37 observations
Green Ormer
Haliotis tuberculata
31 observations
Leptaxis minor
Leptaxis minor
26 observations
Tambja ceutae
Tambja ceutae
22 observations
Violet Sea Snail
Janthina janthina
22 observations
White Italian Snail
Theba pisana
20 observations
Leopard Sea Slug
Peltodoris atromaculata
20 observations
Spiny Fan Mussel
Pinna rudis
19 observations
Knobbed Triton Snail
Charonia lampas
19 observations
Harlequin Sea Goddess
Felimida binza
15 observations
Berthellina edwardsii
Berthellina edwardsii
14 observations
Small Pointed Snail
Cochlicella barbara
13 observations
Decollate Snail
Rumina decollata
11 observations
Mediterranean Violet Aeolid
Flabellina affinis
11 observations
Lurid Cowry
Luria lurida
10 observations
Sooty Seahare
Aplysia fasciata
9 observations
Platydoris argo
Platydoris argo
9 observations
Rounded Snail
Gonyodiscus rotundatus
9 observations
Columbella adansoni
Columbella adansoni
8 observations
Umbrella Slug
Umbraculum umbraculum
7 observations
Leopard Slug
Limax maximus
7 observations
Draparnaud's Glass Snail
Oxychilus draparnaudi
7 observations
Tricolored Felimare
Felimare tricolor
7 observations
Oxychilus brincki
Oxychilus brincki
7 observations
Lauria fanalensis
Lauria fanalensis
6 observations
Leptaxis sanctaemariae
Leptaxis sanctaemariae
6 observations
Brown Argonaut
Argonauta hians
6 observations
Yellow Umbrella Slug
Tylodina perversa
6 observations
Threeband Slugs
Ambigolimax
6 observations
Spotted Seahare
Aplysia punctata
5 observations
Atlantic Triton Snail
Charonia variegata
5 observations
Celtic Sea Slug
Onchidella celtica
5 observations
Rudmania purpurea
Rudmania purpurea
5 observations
Greater Argonaut
Argonauta argo
4 observations
Four-lined Polycera
Polycera quadrilineata
4 observations
Cardita calyculata
Cardita calyculata
4 observations
Felimida ghanensis
Felimida ghanensis
4 observations
Ornate sap-sucking slug
Elysia ornata
3 observations
Napaeus tremulans
Napaeus tremulans
3 observations
Oxychilus lineolatus
Oxychilus lineolatus
3 observations
Glossy Pillar
Cochlicopa lubrica
3 observations
Seven-armed Octopus
Haliphron atlanticus
3 observations
Frequently Asked Questions
- The 10 most common molluscs in Azores are:
- Garden Snail (Cornu aspersum)
- Phorcus sauciatus
- Tectarius striatus
- Common Octopus (Octopus vulgaris)
- Patella gomesii
- Regal Sea Goddess (Felimare picta)
- Balea heydeni
- Red-mouthed Dog Winkle (Stramonita haemastoma)
- Patella aspera
- Green Ormer (Haliotis tuberculata)
- The most observed mollusc in Azores is Garden Snail (Cornu aspersum), with 142 recorded observations.