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Leopard Slug
Limax maximus
1,125 observations
Eastern Oyster
Crassostrea virginica
887 observations
Atlantic Ribbed Mussel
Geukensia demissa
810 observations
West Atlantic Surfclam
Spisula solidissima
739 observations
Atlantic Bay Scallop
Argopecten irradians
713 observations
Atlantic Jackknife
Ensis leei
675 observations
Common Atlantic Slippersnail
Crepidula fornicata
629 observations
Knobbed Whelk
Busycon carica
603 observations
Asian Clam
Corbicula fluminea
583 observations
Blue Mussel
Mytilus edulis
505 observations
Common Jingle
Anomia simplex
501 observations
Eastern Mudsnail
Ilyanassa obsoleta
498 observations
Northern Quahog
Mercenaria mercenaria
484 observations
Brown-lipped Snail
Cepaea nemoralis
467 observations
Shark Eye
Neverita duplicata
396 observations
Fossor Coquina
Donax fossor
384 observations
Blood Ark
Lunarca ovalis
324 observations
Channeled Whelk
Busycotypus canaliculatus
313 observations
Chestnut Clam
Isocrassina castanea
270 observations
Threeline Mudsnail
Ilyanassa trivittata
256 observations
Chinese Mystery Snail
Margarya chinensis
255 observations
Soft-shelled Clam
Mya arenaria
217 observations
Eastern Elliptio
Elliptio complanata
210 observations
Rounded Snail
Gonyodiscus rotundatus
178 observations
Changeable Mantleslug
Megapallifera mutabilis
165 observations
Stout Tagelus
Tagelus plebeius
152 observations
Milky Slug
Deroceras reticulatum
147 observations
Eastern Oyster Drill
Urosalpinx cinerea
131 observations
False Angelwing
Petricolaria pholadiformis
131 observations
Transverse Ark
Anadara transversa
125 observations
Northern Moonsnail
Euspira heros
113 observations
Eastern Floater
Pyganodon cataracta
94 observations
Thick-lipped Drill
Eupleura caudata
85 observations
Naked Sea Butterfly
Clione limacina
81 observations
Carolina Mantleslug
Philomycus carolinianus
50 observations
Western Dusky Slug
Arion subfuscus
43 observations
White-lip Globe Snail
Mesodon thyroidus
42 observations
Angelwing
Cyrtopleura costata
41 observations
Two-toothed Marsh Snail
Melampus bidentatus
37 observations
Garden Snail
Cornu aspersum
36 observations
Paper Pondshell
Utterbackia imbecillis
35 observations
Hedgehog Slug
Arion intermedius
32 observations
Northern Cardita
Cyclocardia borealis
31 observations
Atlantic deep-sea scallop
Placopecten magellanicus
29 observations
Marsh Periwinkle
Littoraria irrorata
28 observations
Convex Slippersnail
Crepidula convexa
27 observations
Alewife Floater
Utterbackiana implicata
27 observations
Eastern White Slippersnail
Crepidula plana
26 observations
Acute Bladder Snail
Physella acuta
24 observations
brown-band wentletrap
Gyroscala rupicola
24 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)
- Knobbed Whelk (Busycon carica)
- Asian Clam (Corbicula fluminea)
- Blue Mussel (Mytilus edulis)
- The most observed mollusc in New Jersey is Leopard Slug (Limax maximus), with 1,125 recorded observations.