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Garden Snail
Cornu aspersum
708 observations
California Seahare
Aplysia californica
323 observations
Speckled Cactussnail
Xerarionta stearnsiana
274 observations
California Mussel
Mytilus californianus
260 observations
Decollate Snail
Rumina decollata
255 observations
Wavy Turban
Megastraea undosa
205 observations
Pismo Clam
Tivela stultorum
128 observations
Giant Keyhole Limpet
Megathura crenulata
124 observations
Dark Unicorn
Mexacanthina lugubris
100 observations
Milk Snail
Otala lactea
99 observations
Gould Beanclam
Donax gouldii
96 observations
Owl Limpet
Lottia gigantea
91 observations
Black Tegula
Tegula funebralis
89 observations
Spanish Shawl
Flabellinopsis iodinea
81 observations
Speckled Tegula
Tegula gallina
67 observations
Kellet's Whelk
Kelletia kelletii
60 observations
California Spiny Chiton
Nuttallina californica
59 observations
Pacific Calico Scallop
Argopecten ventricosus
58 observations
Black Seahare
Aplysia vaccaria
54 observations
Chiton virgulatus
Chiton virgulatus
52 observations
California Horn Snail
Cerithideopsis californica
51 observations
Black Abalone
Haliotis cracherodii
46 observations
Conspicuous Chiton
Stenoplax conspicua
46 observations
California Aglaja
Navanax inermis
45 observations
Norris's Topsnail
Norrisia norrisii
45 observations
Annette's cowrie
Pseudozonaria annettae
43 observations
Volcano Keyhole Limpet
Fissurella volcano
39 observations
Green Abalone
Haliotis fulgens
38 observations
wavy turban
Turbo fluctuosus
38 observations
California Cone
Californiconus californicus
38 observations
White-spotted Sea Goddess
Doriopsilla albopunctata
36 observations
Lesser Two-spot Octopus
Octopus bimaculoides
33 observations
Atlantic Ribbed Mussel
Geukensia demissa
33 observations
Fat Horse Mussel
Modiolus capax
33 observations
Chestnut Cowry
Neobernaya spadicea
32 observations
Opalescent Nudibranch
Hermissenda opalescens
32 observations
Purple Olive Snail
Callianax biplicata
31 observations
Diomedes' Sapsucker
Elysia diomedea
30 observations
Eastern Pacific fighting conch
Strombus gracilior
30 observations
Cloudy Bubble Snail
Bulla gouldiana
28 observations
Asian Clam
Corbicula fluminea
28 observations
Notocochlis chemnitzii
Notocochlis chemnitzii
28 observations
Mediterranean Mussel
Mytilus galloprovincialis
27 observations
San Diego Chestnut
Glyptostoma newberryanum
24 observations
White Venus
Amiantis callosa
24 observations
Carditamera bajaensis
Carditamera bajaensis
24 observations
Guadalupe Shelled Slug
Binneya guadalupensis
23 observations
Behrens' Dorid
Doriopsilla davebehrensi
23 observations
California Chromodorid
Felimare californiensis
23 observations
Pink-mouthed Murex
Phyllonotus erythrostomus
23 observations
Frequently Asked Questions
- The 10 most common molluscs in Baja California are:
- Garden Snail (Cornu aspersum)
- California Seahare (Aplysia californica)
- Speckled Cactussnail (Xerarionta stearnsiana)
- California Mussel (Mytilus californianus)
- Decollate Snail (Rumina decollata)
- Wavy Turban (Megastraea undosa)
- Pismo Clam (Tivela stultorum)
- Giant Keyhole Limpet (Megathura crenulata)
- Dark Unicorn (Mexacanthina lugubris)
- Milk Snail (Otala lactea)
- The most observed mollusc in Baja California is Garden Snail (Cornu aspersum), with 708 recorded observations.
- Some of the most commonly observed native molluscs in Baja California include:
- Speckled Cactussnail (Xerarionta stearnsiana)
- San Diego Chestnut (Glyptostoma newberryanum)