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African Giant Snail
Lissachatina fulica
4,366 observations
Hawaiian Black Nerite
Nerita picea
1,382 observations
Hawaiian Snakehead Cowrie
Monetaria caputophidii
1,099 observations
Dotted Periwinkle
Littoraria pintado
1,090 observations
Day Octopus
Octopus cyanea
842 observations
Imperial Nudibranch
Hypselodoris imperialis
722 observations
Humpback Cowrie
Mauritia mauritiana
666 observations
Gold Lace Nudibranch
Halgerda terramtuentis
663 observations
Pustulose Wart Slug
Phyllidiella pustulosa
618 observations
Caramel Nudibranch
Glossodoris rufomarginata
612 observations
Tropical Leatherleaf Slug
Laevicaulis alte
610 observations
Invasive
Cuban Leaf Slug
Veronicella cubensis
579 observations
Rosy Wolfsnail
Euglandina rosea
483 observations
Trembling Nudibranch
Goniobranchus vibratus
401 observations
Black-foot 'Opihi
Cellana exarata
400 observations
Varicose Wart Slug
Phyllidia varicosa
392 observations
Pease's Nudibranch
Hypselodoris peasei
387 observations
Blue Dragon
Pteraeolidia semperi
370 observations
Reticulated Cowry
Mauritia maculifera
361 observations
Tom Smith's Nudibranch
Ardeadoris tomsmithi
341 observations
Black purse shell
Isognomon californicus
317 observations
Pink Bubble Snail
Hydatina amplustre
295 observations
Desirable Flabellina
Coryphellina exoptata
290 observations
White-speckled Seahare
Aplysia argus
289 observations
Isabella Cowry
Luria isabella
286 observations
Danielle's Nudibranch
Thorunna daniellae
285 observations
Gloomy Nudibranch
Tambja morosa
281 observations
Lined Seahare
Stylocheilus striatus
280 observations
Ringed Sap-sucking Slug
Plakobranchus ocellatus
276 observations
Swallowtail Headshield Slug
Chelidonura hirundinina
273 observations
Black-and-white Cone Snail
Conus ebraeus
273 observations
Tiger Cowrie
Cypraea tigris
267 observations
Warty Seacat
Dolabrifera dolabrifera
262 observations
Hexabranchus sandwichensis
Hexabranchus sandwichensis
255 observations
Polished Nerite
Nerita polita
254 observations
Kahuna nudibranch
Thorunna kahuna
252 observations
Yellow-margined Spanish Dancer
Hexabranchus aureomarginatus
239 observations
Hawaiian Top Snail
Trochus intextus
237 observations
Purple-edged Nudibranch
Goniobranchus albopustulosus
236 observations
Hawaiian Turbo Snail
Turbo sandwicensis
232 observations
Granulated Drupe
Arakawania granulata
223 observations
Yellow-margin Nudibranch
Ardeadoris angustolutea
213 observations
Variable Worm Snail
Thylacodes variabilis
200 observations
Channeled Apple Snail
Pomacea canaliculata
195 observations
Orange Gumdrop
Berthellina delicata
189 observations
Brown Purse Shell
Isognomon perna
189 observations
Echinolittorina hawaiiensis
Echinolittorina hawaiiensis
185 observations
Honey Cowry
Naria helvola
172 observations
Fellow's Nudibranch
Hiatodoris fellowsi
165 observations
Asian Tramp Snail
Bradybaena similaris
165 observations
Frequently Asked Questions
- The 10 most common molluscs in Hawaii are:
- African Giant Snail (Lissachatina fulica)
- Hawaiian Black Nerite (Nerita picea)
- Hawaiian Snakehead Cowrie (Monetaria caputophidii)
- Dotted Periwinkle (Littoraria pintado)
- Day Octopus (Octopus cyanea)
- Imperial Nudibranch (Hypselodoris imperialis)
- Humpback Cowrie (Mauritia mauritiana)
- Gold Lace Nudibranch (Halgerda terramtuentis)
- Pustulose Wart Slug (Phyllidiella pustulosa)
- Caramel Nudibranch (Glossodoris rufomarginata)
- The most observed mollusc in Hawaii is African Giant Snail (Lissachatina fulica), with 4,366 recorded observations.
- Some of the most commonly observed invasive molluscs in Hawaii include:
- Cuban Leaf Slug (Veronicella cubensis)
- Some of the most commonly observed native molluscs in Hawaii include:
- Hawaiian Black Nerite (Nerita picea)
- Dotted Periwinkle (Littoraria pintado)
- Imperial Nudibranch (Hypselodoris imperialis)
- Humpback Cowrie (Mauritia mauritiana)
- Hawaiian Turbo Snail (Turbo sandwicensis)