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Leopard Slug
Limax maximus
1,095 observations
Eastern Oyster
Crassostrea virginica
883 observations
Atlantic Ribbed Mussel
Geukensia demissa
808 observations
West Atlantic Surfclam
Spisula solidissima
723 observations
Atlantic Bay Scallop
Argopecten irradians
695 observations
Atlantic Jackknife
Ensis leei
672 observations
Common Atlantic Slippersnail
Crepidula fornicata
612 observations
Knobbed Whelk
Busycon carica
595 observations
Asian Clam
Corbicula fluminea
583 observations
Blue Mussel
Mytilus edulis
502 observations
Common Jingle
Anomia simplex
486 observations
Northern Quahog
Mercenaria mercenaria
481 observations
Eastern Mudsnail
Ilyanassa obsoleta
477 observations
Brown-lipped Snail
Cepaea nemoralis
447 observations
Shark Eye
Neverita duplicata
383 observations
Fossor Coquina
Donax fossor
376 observations
Blood Ark
Lunarca ovalis
317 observations
Channeled Whelk
Busycotypus canaliculatus
304 observations
Chestnut Clam
Isocrassina castanea
258 observations
Chinese Mystery Snail
Margarya chinensis
254 observations
Threeline Mudsnail
Ilyanassa trivittata
246 observations
Soft-shelled Clam
Mya arenaria
212 observations
Eastern Elliptio
Elliptio complanata
209 observations
Rounded Snail
Gonyodiscus rotundatus
174 observations
Changeable Mantleslug
Megapallifera mutabilis
159 observations
Stout Tagelus
Tagelus plebeius
149 observations
Milky Slug
Deroceras reticulatum
143 observations
False Angelwing
Petricolaria pholadiformis
126 observations
Eastern Oyster Drill
Urosalpinx cinerea
123 observations
Transverse Ark
Anadara transversa
123 observations
Northern Moonsnail
Euspira heros
113 observations
Eastern Floater
Pyganodon cataracta
94 observations
Thick-lipped Drill
Eupleura caudata
83 observations
Naked Sea Butterfly
Clione limacina
80 observations
Carolina Mantleslug
Philomycus carolinianus
49 observations
Western Dusky Slug
Arion subfuscus
43 observations
White-lip Globe Snail
Mesodon thyroidus
42 observations
Angelwing
Cyrtopleura costata
40 observations
Two-toothed Marsh Snail
Melampus bidentatus
37 observations
Paper Pondshell
Utterbackia imbecillis
35 observations
Garden Snail
Cornu aspersum
33 observations
Hedgehog Slug
Arion intermedius
30 observations
Atlantic deep-sea scallop
Placopecten magellanicus
28 observations
Marsh Periwinkle
Littoraria irrorata
27 observations
Northern Cardita
Cyclocardia borealis
27 observations
Alewife Floater
Utterbackiana implicata
27 observations
Convex Slippersnail
Crepidula convexa
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)
- 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 1,095 recorded observations.