Loading species data...
Fetching observations
Common Periwinkle
Littorina littorea
3,329 observations
Atlantic Dogwhelk
Nucella lapillus
1,230 observations
Blue Mussel
Mytilus edulis
834 observations
Tortoiseshell Limpet
Testudinalia testudinalis
724 observations
Bushy-backed Nudibranch
Dendronotus frondosus
722 observations
Common Atlantic Slippersnail
Crepidula fornicata
628 observations
West Atlantic Surfclam
Spisula solidissima
628 observations
Red-fingered Coryphella
Coryphella verrucosa
595 observations
Flat Periwinkle
Littorina obtusata
581 observations
Northern Horse Mussel
Modiolus modiolus
473 observations
Leopard Slug
Limax maximus
460 observations
Soft-shelled Clam
Mya arenaria
451 observations
Atlantic Jackknife
Ensis leei
445 observations
barnacle-eating dorid
Onchidoris bilamellata
426 observations
Eastern Elliptio
Elliptio complanata
371 observations
Rim-backed Nudibranch
Palio dubia
298 observations
Shag-rug Nudibranch
Aeolidia papillosa
276 observations
Fuzzy Onchidoris
Onchidoris muricata
260 observations
Northern Moonsnail
Euspira heros
253 observations
Northern Quahog
Mercenaria mercenaria
234 observations
Common Whelk
Buccinum undatum
231 observations
Rough Periwinkle
Littorina saxatilis
221 observations
Crowned Seaslug
Doto coronata
201 observations
Eastern Oyster
Crassostrea virginica
175 observations
European Flat Oyster
Ostrea edulis
133 observations
Rocky Aeolid
Eubranchulus rupium
129 observations
Threeline Mudsnail
Ilyanassa trivittata
113 observations
Western Dusky Slug
Arion subfuscus
108 observations
Humped Ancula Sea Slug
Ancula gibbosa
104 observations
Northern Lacuna
Lacuna vincta
102 observations
Green Aeolis
Diaphoreolis viridis
101 observations
Brown-lipped Snail
Cepaea nemoralis
99 observations
Chinese Mystery Snail
Margarya chinensis
99 observations
Longfin Inshore Squid
Doryteuthis pealeii
94 observations
Branched Sapsucker
Placida dendritica
89 observations
Slender Eolis
Coryphella gracilis
89 observations
Atlantic deep-sea scallop
Placopecten magellanicus
84 observations
Atlantic Razor
Siliqua costata
81 observations
Tree slug
Lehmannia marginata
79 observations
Hairy Spiny Dorid
Acanthodoris pilosa
74 observations
Eastern Whitelip
Neohelix albolabris
63 observations
Johnston's balloon eolis
Tergipes tergipes
63 observations
Eastern Floater
Pyganodon cataracta
63 observations
White-lipped Snail
Cepaea hortensis
61 observations
club-gilled nudibranch
Amphorina pallida
58 observations
False Angelwing
Petricolaria pholadiformis
54 observations
Pearly Topshell
Margarites helicinus
53 observations
Eastern White Slippersnail
Crepidula plana
52 observations
Arctic Hiatella
Hiatella arctica
48 observations
Atlantic Ribbed Mussel
Geukensia demissa
45 observations
Frequently Asked Questions
- The 10 most common molluscs in Maine are:
- Common Periwinkle (Littorina littorea)
- Atlantic Dogwhelk (Nucella lapillus)
- Blue Mussel (Mytilus edulis)
- Tortoiseshell Limpet (Testudinalia testudinalis)
- Bushy-backed Nudibranch (Dendronotus frondosus)
- Common Atlantic Slippersnail (Crepidula fornicata)
- West Atlantic Surfclam (Spisula solidissima)
- Red-fingered Coryphella (Coryphella verrucosa)
- Flat Periwinkle (Littorina obtusata)
- Northern Horse Mussel (Modiolus modiolus)
- The most observed mollusc in Maine is Common Periwinkle (Littorina littorea), with 3,329 recorded observations.