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Island Apple Snail
Pomacea maculata
813 observations
Rosy Wolfsnail
Euglandina rosea
552 observations
Asian Tramp Snail
Bradybaena similaris
366 observations
Black-velvet Leatherleaf
Belocaulus angustipes
176 observations
Atlantic Rangia
Rangia cuneata
164 observations
Eastern Oyster
Crassostrea virginica
155 observations
Globular Drop Snail
Helicina orbiculata
140 observations
Angelwing
Cyrtopleura costata
112 observations
Giant Floater
Pyganodon grandis
108 observations
Southern Flatcoil
Polygyra cereolus
103 observations
Asian Clam
Corbicula fluminea
100 observations
Yellow Sandshell
Lampsilis teres
82 observations
Paper Pondshell
Utterbackia imbecillis
75 observations
Yellow Cellar Slug
Limacus flavus
75 observations
Giant Atlantic Cockle
Dinocardium robustum
65 observations
Fighting Conch
Strombus pugilis
64 observations
Blood Ark
Lunarca ovalis
61 observations
Texas lilliput
Toxolasma texasiense
59 observations
False Shark Eye
Neverita delessertiana
54 observations
Pimpleback
Pustulosa pustulosa
54 observations
Louisiana fatmucket
Lampsilis hydiana
49 observations
Carolina Mantleslug
Philomycus carolinianus
42 observations
Marsh Periwinkle
Littoraria irrorata
41 observations
bankclimber
Plectomerus dombeyanus
40 observations
Lightning Whelk
Sinistrofulgur sinistrum
40 observations
Lettered Olive
Oliva sayana
39 observations
Shark Eye
Neverita duplicata
37 observations
Mapleleaf
Quadrula quadrula
35 observations
Little Spectaclecase
Leaunio lienosus
34 observations
Three-ridge Mussel
Amblema plicata
33 observations
Pondmussel
Sagittunio subrostratus
31 observations
Louisiana Pearlshell
Margaritifera hembeli
29 observations
Florida Leatherleaf Slug
Leidyula floridana
29 observations
Channeled Duck Clam
Raeta plicatella
29 observations
Bleufer
Potamilus purpuratus
28 observations
Ghost Bulimulus
Bulimulus bonariensis
27 observations
Round pearlshell
Glebula rotundata
26 observations
Constricted Macoma
Austromacoma constricta
26 observations
Incongruous Ark
Anadara brasiliana
25 observations
Changeable Mantleslug
Megapallifera mutabilis
24 observations
Southern Ribbed Mussel
Geukensia granosissima
24 observations
Ponderous Ark
Noetia ponderosa
21 observations
Fragile Papershell
Potamilus fragilis
21 observations
Stout Tagelus
Tagelus plebeius
20 observations
Olive Nerite
Vitta usnea
20 observations
Sandbank Pocketbook
Lampsilis satura
19 observations
Three-horn Wartyback
Obliquaria reflexa
18 observations
Wabash Pigtoe
Fusconaia flava
18 observations
Southern Quahog
Mercenaria campechiensis
17 observations
Brown Rangia
Rangia flexuosa
17 observations
Frequently Asked Questions
- The 10 most common molluscs in Louisiana are:
- Island Apple Snail (Pomacea maculata)
- Rosy Wolfsnail (Euglandina rosea)
- Asian Tramp Snail (Bradybaena similaris)
- Black-velvet Leatherleaf (Belocaulus angustipes)
- Atlantic Rangia (Rangia cuneata)
- Eastern Oyster (Crassostrea virginica)
- Globular Drop Snail (Helicina orbiculata)
- Angelwing (Cyrtopleura costata)
- Giant Floater (Pyganodon grandis)
- Southern Flatcoil (Polygyra cereolus)
- The most observed mollusc in Louisiana is Island Apple Snail (Pomacea maculata), with 813 recorded observations.