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African Giant Snail
Lissachatina fulica
4,512 observations
Hawaiian Black Nerite
Nerita picea
1,417 observations
Hawaiian Snakehead Cowrie
Monetaria caputophidii
1,130 observations
Dotted Periwinkle
Littoraria pintado
1,117 observations
Day Octopus
Octopus cyanea
863 observations
Imperial Nudibranch
Hypselodoris imperialis
729 observations
Humpback Cowrie
Mauritia mauritiana
681 observations
Gold Lace Nudibranch
Halgerda terramtuentis
666 observations
Tropical Leatherleaf Slug
Laevicaulis alte
644 observations
Pustulose Wart Slug
Phyllidiella pustulosa
642 observations
Caramel Nudibranch
Glossodoris rufomarginata
627 observations
Invasive
Cuban Leaf Slug
Veronicella cubensis
619 observations
Rosy Wolfsnail
Euglandina rosea
504 observations
Trembling Nudibranch
Goniobranchus vibratus
417 observations
Black-foot 'Opihi
Cellana exarata
415 observations
Varicose Wart Slug
Phyllidia varicosa
396 observations
Pease's Nudibranch
Hypselodoris peasei
396 observations
Blue Dragon
Pteraeolidia semperi
379 observations
Reticulated Cowry
Mauritia maculifera
365 observations
Tom Smith's Nudibranch
Ardeadoris tomsmithi
346 observations
Black purse shell
Isognomon californicus
323 observations
Pink Bubble Snail
Hydatina amplustre
302 observations
Isabella Cowry
Luria isabella
298 observations
Gloomy Nudibranch
Tambja morosa
296 observations
Danielle's Nudibranch
Thorunna daniellae
296 observations
White-speckled Seahare
Aplysia argus
290 observations
Desirable Flabellina
Coryphellina exoptata
290 observations
Lined Seahare
Stylocheilus striatus
288 observations
Swallowtail Headshield Slug
Chelidonura hirundinina
288 observations
Ringed Sap-sucking Slug
Plakobranchus ocellatus
285 observations
Black-and-white Cone Snail
Conus ebraeus
276 observations
Kahuna nudibranch
Thorunna kahuna
273 observations
Tiger Cowrie
Cypraea tigris
269 observations
Polished Nerite
Nerita polita
269 observations
Warty Seacat
Dolabrifera dolabrifera
264 observations
Hexabranchus sandwichensis
Hexabranchus sandwichensis
263 observations
Purple-edged Nudibranch
Goniobranchus albopustulosus
249 observations
Hawaiian Turbo Snail
Turbo sandwicensis
246 observations
Hawaiian Top Snail
Trochus intextus
241 observations
Yellow-margined Spanish Dancer
Hexabranchus aureomarginatus
241 observations
Granulated Drupe
Arakawania granulata
235 observations
Yellow-margin Nudibranch
Ardeadoris angustolutea
226 observations
Variable Worm Snail
Thylacodes variabilis
206 observations
Channeled Apple Snail
Pomacea canaliculata
197 observations
Brown Purse Shell
Isognomon perna
197 observations
Echinolittorina hawaiiensis
Echinolittorina hawaiiensis
193 observations
Orange Gumdrop
Berthellina delicata
190 observations
Honey Cowry
Naria helvola
178 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)
- Tropical Leatherleaf Slug (Laevicaulis alte)
- Pustulose Wart Slug (Phyllidiella pustulosa)
- The most observed mollusc in Hawaii is African Giant Snail (Lissachatina fulica), with 4,512 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)