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Pomacea megastoma

Giant Uruguay River Snail


Pomacea megastoma

(G. B. Sowerby I, 1825)
Caracol Gigante del Río Uruguay
Family: Ampullariidae
Order: Mesogastropoda
Class: Gastropoda
Phylum / Division: Mollusca
Kingdom: Animalia
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Synonyms: Asolene megastoma, Pomella megastoma.




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Description


Pomacea megastoma is a species of gastropod belonging to the family Ampullariidae.

The species is found in South America. The species inhabits freshwater environments.

Source: Wikipedia, article Pomacea megastoma. Content adapted from Wikipedia, available under the CC BY-SA 4.0 license. Accessed on 16/07/2026.





Geographic distribution


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Species photographs

Last published photographs

Foto
Photography ID: 418131
  Egg
Yapeyú
Corrientes
Argentina
11/06/2020
Enzo Edgardo Ferreyra
Foto
Photography ID: 325637
  Egg
Yapeyú
Corrientes
Argentina
10/27/2018
Enzo Edgardo Ferreyra
Foto
Photography ID: 325502
♂ ♀  Adult
Yapeyú
Corrientes
Argentina
04/05/2018
Enzo Edgardo Ferreyra



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Species vocalizations

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Species reports



 Detail of places sorted by number of records







Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
130841206/11/2020ArgentinaCorrientesYapeyúEnzo Edgardo Ferreyra
90495927/10/2018ArgentinaCorrientesCosta del río Uruguay entre la vegetación costera, YapeyúEnzo Edgardo Ferreyra
90475405/04/2018ArgentinaCorrientesYapeyúEnzo Edgardo Ferreyra
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Giant Uruguay River Snail (Pomacea megastoma) – Species account. Accessed from www.ecoregistros.org on 02/10/2026.