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Leopard Slug
Limax maximus
1,019 observations
Eastern Oyster
Crassostrea virginica
802 observations
Atlantic Ribbed Mussel
Geukensia demissa
795 observations
West Atlantic Surfclam
Spisula solidissima
713 observations
Atlantic Bay Scallop
Argopecten irradians
680 observations
Atlantic Jackknife
Ensis leei
663 observations
Common Atlantic Slippersnail
Crepidula fornicata
597 observations
Asian Clam
Corbicula fluminea
579 observations
Knobbed Whelk
Busycon carica
559 observations
Blue Mussel
Mytilus edulis
498 observations
Northern Quahog
Mercenaria mercenaria
470 observations
Common Jingle
Anomia simplex
466 observations
Eastern Mudsnail
Ilyanassa obsoleta
463 observations
Brown-lipped Snail
Cepaea nemoralis
405 observations
Shark Eye
Neverita duplicata
370 observations
Fossor Coquina
Donax fossor
368 observations
Blood Ark
Lunarca ovalis
307 observations
Channeled Whelk
Busycotypus canaliculatus
289 observations
Chinese Mystery Snail
Margarya chinensis
251 observations
Chestnut Clam
Isocrassina castanea
249 observations
Threeline Mudsnail
Ilyanassa trivittata
234 observations
Soft-shelled Clam
Mya arenaria
209 observations
Eastern Elliptio
Elliptio complanata
201 observations
Rounded Snail
Gonyodiscus rotundatus
145 observations
Stout Tagelus
Tagelus plebeius
144 observations
Changeable Mantleslug
Megapallifera mutabilis
143 observations
Milky Slug
Deroceras reticulatum
139 observations
False Angelwing
Petricolaria pholadiformis
124 observations
Transverse Ark
Anadara transversa
120 observations
Eastern Oyster Drill
Urosalpinx cinerea
118 observations
Northern Moonsnail
Euspira heros
111 observations
Eastern Floater
Pyganodon cataracta
92 observations
Naked Sea Butterfly
Clione limacina
78 observations
Thick-lipped Drill
Eupleura caudata
76 observations
Western Dusky Slug
Arion subfuscus
43 observations
White-lip Globe Snail
Mesodon thyroidus
42 observations
Angelwing
Cyrtopleura costata
39 observations
Two-toothed Marsh Snail
Melampus bidentatus
37 observations
Paper Pondshell
Utterbackia imbecillis
35 observations
Carolina Mantleslug
Philomycus carolinianus
34 observations
Garden Snail
Cornu aspersum
32 observations
Marsh Periwinkle
Littoraria irrorata
27 observations
Atlantic deep-sea scallop
Placopecten magellanicus
27 observations
Alewife Floater
Utterbackiana implicata
27 observations
Convex Slippersnail
Crepidula convexa
26 observations
Hedgehog Slug
Arion intermedius
26 observations
Northern Cardita
Cyclocardia borealis
26 observations
Eastern White Slippersnail
Crepidula plana
25 observations
Acute Bladder Snail
Physella acuta
23 observations
brown-band wentletrap
Gyroscala rupicola
21 observations
Frequently Asked Questions
- The 10 most common molluscs in New Jersey are:
- Leopard Slug (Limax maximus)
- Eastern Oyster (Crassostrea virginica)
- Atlantic Ribbed Mussel (Geukensia demissa)
- West Atlantic Surfclam (Spisula solidissima)
- Atlantic Bay Scallop (Argopecten irradians)
- Atlantic Jackknife (Ensis leei)
- Common Atlantic Slippersnail (Crepidula fornicata)
- Asian Clam (Corbicula fluminea)
- Knobbed Whelk (Busycon carica)
- Blue Mussel (Mytilus edulis)
- The most observed mollusc in New Jersey is Leopard Slug (Limax maximus), with 1,019 recorded observations.