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Invasive
Asian Clam
Corbicula fluminea
1,022 observations
Fatmucket
Lampsilis siliquoidea
708 observations
Invasive
Leopard Slug
Limax maximus
704 observations
Giant Floater
Pyganodon grandis
531 observations
Invasive
Brown-lipped Snail
Cepaea nemoralis
429 observations
Chinese Mystery Snail
Margarya chinensis
400 observations
Pink Heelsplitter
Potamilus alatus
388 observations
Invasive
Zebra Mussel
Dreissena polymorpha
284 observations
Three-ridge Mussel
Amblema plicata
279 observations
Invasive
Western Dusky Slug
Arion subfuscus
270 observations
Invasive
Milky Slug
Deroceras reticulatum
266 observations
Plain Pocketbook
Lampsilis cardium
261 observations
Spike
Eurynia dilatata
219 observations
Changeable Mantleslug
Megapallifera mutabilis
212 observations
Fragile Papershell
Potamilus fragilis
206 observations
Mapleleaf
Quadrula quadrula
181 observations
Wabash Pigtoe
Fusconaia flava
179 observations
White-lip Globe Snail
Mesodon thyroidus
144 observations
White Heelsplitter
Lasmigona complanata
143 observations
Paper Pondshell
Utterbackia imbecillis
142 observations
Deertoe Mussel
Truncilla truncata
119 observations
Mucket
Ortmanniana ligamentina
104 observations
Flutedshell
Lasmigona costata
100 observations
Carolina Mantleslug
Philomycus carolinianus
99 observations
Three-horn Wartyback
Obliquaria reflexa
93 observations
Flamed Tigersnail
Anguispira alternata
87 observations
Black Sandshell
Ligumia recta
84 observations
Pimpleback
Pustulosa pustulosa
75 observations
Pistolgrip
Quadrula verrucosa
65 observations
Kidneyshell
Ptychobranchus fasciolaris
62 observations
Carthusian Nun Snail
Monacha cartusiana
60 observations
Sharp Hornsnail
Pleurocera acuta
58 observations
Marsh Ramshorn
Planorbella trivolvis
57 observations
Eastern Whitelip
Neohelix albolabris
55 observations
Meadow Slug
Deroceras laeve
52 observations
Invasive
Hedgehog Slug
Arion intermedius
51 observations
Invasive
Quagga Mussel
Dreissena bugensis
50 observations
Invasive
Garden Arion
Arion hortensis
49 observations
Wavyrayed Lampmussel
Lampsilis fasciola
49 observations
Toga Mantleslug
Philomycus togatus
48 observations
Lilliput
Toxolasma parvum
47 observations
Wartyback
Pustulosa nodulata
43 observations
Elktoe
Alasmidonta marginata
42 observations
Invasive
Japanese Mystery Snail
Heterogen japonica
37 observations
Acute Bladder Snail
Physella acuta
36 observations
Oval Ambersnail
Novisuccinea ovalis
35 observations
Striped Whitelip
Webbhelix multilineata
35 observations
Glossy Pillar
Cochlicopa lubrica
34 observations
Eastern Pondmussel
Sagittunio nasutus
29 observations
Fawnsfoot
Truncilla donaciformis
27 observations
Frequently Asked Questions
- The 10 most common molluscs in Ohio are:
- Asian Clam (Corbicula fluminea)
- Fatmucket (Lampsilis siliquoidea)
- Leopard Slug (Limax maximus)
- Giant Floater (Pyganodon grandis)
- Brown-lipped Snail (Cepaea nemoralis)
- Chinese Mystery Snail (Margarya chinensis)
- Pink Heelsplitter (Potamilus alatus)
- Zebra Mussel (Dreissena polymorpha)
- Three-ridge Mussel (Amblema plicata)
- Western Dusky Slug (Arion subfuscus)
- The most observed mollusc in Ohio is Asian Clam (Corbicula fluminea), with 1,022 recorded observations.
- Some of the most commonly observed invasive molluscs in Ohio include:
- Asian Clam (Corbicula fluminea)
- Leopard Slug (Limax maximus)
- Brown-lipped Snail (Cepaea nemoralis)
- Zebra Mussel (Dreissena polymorpha)
- Western Dusky Slug (Arion subfuscus)