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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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Records from Aguas dulces

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: 482450
  Adult
Aguas dulces
Rocha
Uruguay
02/15/2022
Elina Cassinelli



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Species vocalizations

Last vocalizations published



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Species videos

Last filmings published


Video ID: 5074
  Adult
Aguas dulces
Rocha
Uruguay
02/15/2022
Elina Cassinelli
Video ID: 5073
  Adult
Aguas dulces
Rocha
Uruguay
02/15/2022
Elina Cassinelli



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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
154714715/02/2022UruguayRochaPequeña laguna o charco grande natural que se forma a la entrada a la playa, Aguas dulcesElina Cassinelli
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 22/09/2026.