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Giant Floater
Pyganodon grandis
894 observations
Fatmucket
Lampsilis siliquoidea
374 observations
Zebra Mussel
Dreissena polymorpha
207 observations
Milky Slug
Deroceras reticulatum
95 observations
White Heelsplitter
Lasmigona complanata
95 observations
Three-ridge Mussel
Amblema plicata
72 observations
Lymnaea jugularis
Lymnaea jugularis
57 observations
Mapleleaf
Quadrula quadrula
50 observations
Pink Heelsplitter
Potamilus alatus
49 observations
Plain Pocketbook
Lampsilis cardium
42 observations
Black Sandshell
Ligumia recta
39 observations
Wabash Pigtoe
Fusconaia flava
28 observations
Marsh Ramshorn
Planorbella trivolvis
18 observations
Striated Fingernailclam
Sphaerium striatinum
13 observations
Blue Mussel
Mytilus edulis
11 observations
Bellmouth Ramshorn
Planorbella campanulata
11 observations
Meadow Slug
Deroceras laeve
7 observations
Brown-lipped Snail
Cepaea nemoralis
5 observations
Creeper
Strophitus undulatus
5 observations
Grooved Fingernailclam
Sphaerium simile
5 observations
Marsh Pond Snail
Ladislavella elodes
5 observations
Baltic Macoma
Macoma balthica
4 observations
Rough Periwinkle
Littorina saxatilis
3 observations
Threeridge Valvata
Valvata tricarinata
3 observations
Two-ridged Ramshorn
Helisoma anceps
3 observations
Tortoiseshell Limpet
Testudinalia testudinalis
3 observations
Icelandic Scallop
Chlamys islandica
3 observations
Garden Snail
Cornu aspersum
3 observations
Pillars
Cochlicopa
2 observations
Cylindrical Papershell
Anodontoides ferussacianus
2 observations
Mammoth Lymnaea
Bulimnea megasoma
2 observations
Naked Sea Butterfly
Clione limacina
1 observations
Mimic Lymnaea
Pseudosuccinea columella
1 observations
Quick Gloss Snail
Zonitoides arboreus
1 observations
Acute Bladder Snail
Physella acuta
1 observations
Iceland Cockle
Ciliatocardium ciliatum
1 observations
Long Fingernailclam
Sphaerium transversum
1 observations
Frequently Asked Questions
- The 10 most common molluscs in Manitoba are:
- Giant Floater (Pyganodon grandis)
- Fatmucket (Lampsilis siliquoidea)
- Zebra Mussel (Dreissena polymorpha)
- Milky Slug (Deroceras reticulatum)
- White Heelsplitter (Lasmigona complanata)
- Three-ridge Mussel (Amblema plicata)
- Lymnaea jugularis
- Mapleleaf (Quadrula quadrula)
- Pink Heelsplitter (Potamilus alatus)
- Plain Pocketbook (Lampsilis cardium)
- The most observed mollusc in Manitoba is Giant Floater (Pyganodon grandis), with 894 recorded observations.