Loading species data...
Fetching observations
Leopard Slug
Limax maximus
530 observations
Knobbed Whelk
Busycon carica
504 observations
Common Atlantic Slippersnail
Crepidula fornicata
329 observations
Eastern Oyster
Crassostrea virginica
272 observations
Atlantic Ribbed Mussel
Geukensia demissa
210 observations
Eastern Mudsnail
Ilyanassa obsoleta
209 observations
Blood Ark
Lunarca ovalis
202 observations
Stout Tagelus
Tagelus plebeius
183 observations
Atlantic Jackknife
Ensis leei
169 observations
Northern Quahog
Mercenaria mercenaria
159 observations
Atlantic Bay Scallop
Argopecten irradians
158 observations
Shark Eye
Neverita duplicata
126 observations
Blue Mussel
Mytilus edulis
108 observations
Channeled Whelk
Busycotypus canaliculatus
101 observations
Common Jingle
Anomia simplex
100 observations
Naked Sea Butterfly
Clione limacina
96 observations
Changeable Mantleslug
Megapallifera mutabilis
80 observations
West Atlantic Surfclam
Spisula solidissima
75 observations
Asian Clam
Corbicula fluminea
72 observations
Marsh Periwinkle
Littoraria irrorata
53 observations
Threeline Mudsnail
Ilyanassa trivittata
53 observations
Angelwing
Cyrtopleura costata
53 observations
Milky Slug
Deroceras reticulatum
36 observations
Transverse Ark
Anadara transversa
36 observations
False Angelwing
Petricolaria pholadiformis
36 observations
Eastern Elliptio
Elliptio complanata
35 observations
Eastern Oyster Drill
Urosalpinx cinerea
32 observations
Carolina Mantleslug
Philomycus carolinianus
32 observations
Chestnut Clam
Isocrassina castanea
21 observations
Two-toothed Marsh Snail
Melampus bidentatus
19 observations
Thick-lipped Drill
Eupleura caudata
19 observations
Eastern Floater
Pyganodon cataracta
17 observations
Atlantic Rangia
Rangia cuneata
17 observations
Globose Dome Snail
Ventridens ligera
17 observations
Eastern White Slippersnail
Crepidula plana
16 observations
Oval Ambersnail
Novisuccinea ovalis
15 observations
Eastern Whitelip
Neohelix albolabris
12 observations
Northern Lance
Elliptio fisheriana
11 observations
Fossor Coquina
Donax fossor
11 observations
Chinese Mystery Snail
Margarya chinensis
11 observations
Meadow Slug
Deroceras laeve
9 observations
Rounded Snail
Gonyodiscus rotundatus
9 observations
Carthusian Nun Snail
Monacha cartusiana
8 observations
Atlantic Macoma
Macoma petalum
8 observations
Three-tooth Carditid
Pleuromeris tridentata
8 observations
Soft-shelled Clam
Mya arenaria
7 observations
Atlantic brief squid
Lolliguncula brevis
7 observations
Brown-lipped Snail
Cepaea nemoralis
6 observations
Western Dusky Slug
Arion subfuscus
6 observations
Sinistrofulgur laeostomum
Sinistrofulgur laeostomum
6 observations
Frequently Asked Questions
- The 10 most common molluscs in Delaware are:
- Leopard Slug (Limax maximus)
- Knobbed Whelk (Busycon carica)
- Common Atlantic Slippersnail (Crepidula fornicata)
- Eastern Oyster (Crassostrea virginica)
- Atlantic Ribbed Mussel (Geukensia demissa)
- Eastern Mudsnail (Ilyanassa obsoleta)
- Blood Ark (Lunarca ovalis)
- Stout Tagelus (Tagelus plebeius)
- Atlantic Jackknife (Ensis leei)
- Northern Quahog (Mercenaria mercenaria)
- The most observed mollusc in Delaware is Leopard Slug (Limax maximus), with 530 recorded observations.