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Leopard Slug
Limax maximus
1,044 observations
Eastern Oyster
Crassostrea virginica
807 observations
Atlantic Ribbed Mussel
Geukensia demissa
800 observations
West Atlantic Surfclam
Spisula solidissima
716 observations
Atlantic Bay Scallop
Argopecten irradians
685 observations
Atlantic Jackknife
Ensis leei
667 observations
Common Atlantic Slippersnail
Crepidula fornicata
607 observations
Asian Clam
Corbicula fluminea
581 observations
Knobbed Whelk
Busycon carica
568 observations
Blue Mussel
Mytilus edulis
499 observations
Northern Quahog
Mercenaria mercenaria
474 observations
Common Jingle
Anomia simplex
468 observations
Eastern Mudsnail
Ilyanassa obsoleta
467 observations
Brown-lipped Snail
Cepaea nemoralis
425 observations
Shark Eye
Neverita duplicata
377 observations
Fossor Coquina
Donax fossor
369 observations
Blood Ark
Lunarca ovalis
307 observations
Channeled Whelk
Busycotypus canaliculatus
297 observations
Chestnut Clam
Isocrassina castanea
252 observations
Chinese Mystery Snail
Margarya chinensis
252 observations
Threeline Mudsnail
Ilyanassa trivittata
235 observations
Soft-shelled Clam
Mya arenaria
209 observations
Eastern Elliptio
Elliptio complanata
207 observations
Rounded Snail
Gonyodiscus rotundatus
153 observations
Changeable Mantleslug
Megapallifera mutabilis
152 observations
Stout Tagelus
Tagelus plebeius
146 observations
Milky Slug
Deroceras reticulatum
141 observations
False Angelwing
Petricolaria pholadiformis
124 observations
Transverse Ark
Anadara transversa
120 observations
Eastern Oyster Drill
Urosalpinx cinerea
118 observations
Northern Moonsnail
Euspira heros
113 observations
Eastern Floater
Pyganodon cataracta
94 observations
Naked Sea Butterfly
Clione limacina
80 observations
Thick-lipped Drill
Eupleura caudata
77 observations
Carolina Mantleslug
Philomycus carolinianus
44 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
Garden Snail
Cornu aspersum
32 observations
Hedgehog Slug
Arion intermedius
28 observations
Atlantic deep-sea scallop
Placopecten magellanicus
28 observations
Marsh Periwinkle
Littoraria irrorata
27 observations
Alewife Floater
Utterbackiana implicata
27 observations
Convex Slippersnail
Crepidula convexa
26 observations
Northern Cardita
Cyclocardia borealis
26 observations
Eastern White Slippersnail
Crepidula plana
25 observations
Acute Bladder Snail
Physella acuta
24 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 1,044 recorded observations.