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African Giant Snail
Lissachatina fulica
4,657 observations
Hawaiian Black Nerite
Nerita picea
1,451 observations
Hawaiian Snakehead Cowrie
Monetaria caputophidii
1,164 observations
Dotted Periwinkle
Littoraria pintado
1,146 observations
Day Octopus
Octopus cyanea
886 observations
Imperial Nudibranch
Hypselodoris imperialis
731 observations
Humpback Cowrie
Mauritia mauritiana
699 observations
Gold Lace Nudibranch
Halgerda terramtuentis
672 observations
Tropical Leatherleaf Slug
Laevicaulis alte
668 observations
Invasive
Cuban Leaf Slug
Veronicella cubensis
656 observations
Pustulose Wart Slug
Phyllidiella pustulosa
645 observations
Caramel Nudibranch
Glossodoris rufomarginata
632 observations
Rosy Wolfsnail
Euglandina rosea
517 observations
Black-foot 'Opihi
Cellana exarata
421 observations
Trembling Nudibranch
Goniobranchus vibratus
420 observations
Pease's Nudibranch
Hypselodoris peasei
398 observations
Varicose Wart Slug
Phyllidia varicosa
397 observations
Blue Dragon
Pteraeolidia semperi
382 observations
Reticulated Cowrie
Mauritia maculifera
373 observations
Tom Smith's Nudibranch
Ardeadoris tomsmithi
347 observations
Black purse shell
Isognomon californicus
325 observations
Pink Bubble Snail
Hydatina amplustre
311 observations
Isabella Cowrie
Luria isabella
309 observations
White-speckled Seahare
Aplysia argus
303 observations
Swallowtail Headshield Slug
Chelidonura hirundinina
297 observations
Gloomy Nudibranch
Tambja morosa
297 observations
Danielle's Nudibranch
Thorunna daniellae
297 observations
Lined Seahare
Stylocheilus striatus
292 observations
Desirable Flabellina
Coryphellina exoptata
291 observations
Ringed Sap-sucking Slug
Plakobranchus ocellatus
288 observations
Black-and-white Cone Snail
Conus ebraeus
281 observations
Polished Nerite
Nerita polita
280 observations
Kahuna nudibranch
Thorunna kahuna
276 observations
Tiger Cowrie
Cypraea tigris
274 observations
Hexabranchus sandwichensis
Hexabranchus sandwichensis
269 observations
Warty Seacat
Dolabrifera dolabrifera
265 observations
Hawaiian Turbo Snail
Turbo sandwicensis
256 observations
Purple-edged Nudibranch
Goniobranchus albopustulosus
252 observations
Hawaiian Top Snail
Trochus intextus
246 observations
Yellow-margined Spanish Dancer
Hexabranchus aureomarginatus
244 observations
Granulated Drupe
Arakawania granulata
239 observations
Yellow-margin Nudibranch
Ardeadoris angustolutea
233 observations
Echinolittorina hawaiiensis
Echinolittorina hawaiiensis
212 observations
Variable Worm Snail
Thylacodes variabilis
211 observations
Brown Purse Shell
Isognomon perna
201 observations
Channeled Apple Snail
Pomacea canaliculata
198 observations
Orange Gumdrop
Berthellina delicata
195 observations
Honey Cowrie
Naria helvola
186 observations
Asian Tramp Snail
Bradybaena similaris
169 observations
Fellow's Nudibranch
Hiatodoris fellowsi
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)
- Cuban Leaf Slug (Veronicella cubensis)
- The most observed mollusc in Hawaii is African Giant Snail (Lissachatina fulica), with 4,657 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)