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African Giant Snail
Lissachatina fulica
4,180 observations
Hawaiian Black Nerite
Nerita picea
1,332 observations
Dotted Periwinkle
Littoraria pintado
1,059 observations
Hawaiian Snakehead Cowrie
Monetaria caputophidii
1,049 observations
Day Octopus
Octopus cyanea
811 observations
Imperial Nudibranch
Hypselodoris imperialis
718 observations
Gold Lace Nudibranch
Halgerda terramtuentis
662 observations
Humpback Cowry
Mauritia mauritiana
647 observations
Pustulose Wart Slug
Phyllidiella pustulosa
614 observations
Caramel Nudibranch
Glossodoris rufomarginata
605 observations
Tropical Leatherleaf Slug
Laevicaulis alte
576 observations
Invasive
Cuban Leaf Slug
Veronicella cubensis
542 observations
Rosy Wolfsnail
Euglandina rosea
473 observations
Trembling Nudibranch
Goniobranchus vibratus
398 observations
Varicose Wart Slug
Phyllidia varicosa
388 observations
Pease's Nudibranch
Hypselodoris peasei
387 observations
Black-foot 'Opihi
Cellana exarata
381 observations
Blue Dragon
Pteraeolidia semperi
367 observations
Reticulated Cowry
Mauritia maculifera
354 observations
Tom Smith's Nudibranch
Ardeadoris tomsmithi
340 observations
Black purse shell
Isognomon californicus
310 observations
Desirable Flabellina
Coryphellina exoptata
289 observations
Danielle's Nudibranch
Thorunna daniellae
284 observations
Gloomy Nudibranch
Tambja morosa
280 observations
Pink Bubble Snail
Hydatina amplustre
280 observations
White-speckled Seahare
Aplysia argus
280 observations
Lined Seahare
Stylocheilus striatus
276 observations
Ringed Sap-sucking Slug
Plakobranchus ocellatus
275 observations
Swallowtail Headshield Slug
Chelidonura hirundinina
272 observations
Tiger Cowry
Cypraea tigris
266 observations
Black-and-white Cone Snail
Conus ebraeus
264 observations
Warty Seacat
Dolabrifera dolabrifera
258 observations
Isabella Cowry
Luria isabella
254 observations
Kahuna nudibranch
Thorunna kahuna
250 observations
Hexabranchus sandwichensis
Hexabranchus sandwichensis
243 observations
Purple-edged Nudibranch
Goniobranchus albopustulosus
232 observations
Yellow-margined Spanish Dancer
Hexabranchus aureomarginatus
230 observations
Yellow-margin Nudibranch
Ardeadoris angustolutea
211 observations
Hawaiian Turbo Snail
Turbo sandwicensis
211 observations
Granulated Drupe
Arakawania granulata
202 observations
Polished Nerite
Nerita polita
193 observations
Orange Gumdrop
Berthellina delicata
189 observations
Hawaiian Top Snail
Trochus intextus
189 observations
Channeled Apple Snail
Pomacea canaliculata
187 observations
Brown Purse Shell
Isognomon perna
184 observations
Variable Worm Snail
Thylacodes variabilis
182 observations
Echinolittorina hawaiiensis
Echinolittorina hawaiiensis
180 observations
Fellow's Nudibranch
Hiatodoris fellowsi
161 observations
Honey Cowry
Naria helvola
159 observations
Asian Tramp Snail
Bradybaena similaris
147 observations
Frequently Asked Questions
- The 10 most common molluscs in Hawaii are:
- African Giant Snail (Lissachatina fulica)
- Hawaiian Black Nerite (Nerita picea)
- Dotted Periwinkle (Littoraria pintado)
- Hawaiian Snakehead Cowrie (Monetaria caputophidii)
- Day Octopus (Octopus cyanea)
- Imperial Nudibranch (Hypselodoris imperialis)
- Gold Lace Nudibranch (Halgerda terramtuentis)
- Humpback Cowry (Mauritia mauritiana)
- Pustulose Wart Slug (Phyllidiella pustulosa)
- Caramel Nudibranch (Glossodoris rufomarginata)
- The most observed mollusc in Hawaii is African Giant Snail (Lissachatina fulica), with 4,180 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 Cowry (Mauritia mauritiana)
- Hawaiian Turbo Snail (Turbo sandwicensis)