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Rioraja agassizii

Rio Skate


Rioraja agassizii

Müller & Henle, 1841
Raya Lisa
Family: Arhynchobatidae
Order: Rajiformes
Class: Chondrichthyes
Phylum / Division: Chordata
Kingdom: Animalia
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Records from Villa Gesell

Description


The rio skate (Rioraja agassizii) is a shallow water skate native to the Atlantic coast of South America from Brazil to southern Argentina. It is the only member of the monotypic genus Rioraja.

The species is named in honor of zoologist-geologist Louis Agassiz.

Source: Wikipedia, article Rioraja agassizii. Content adapted from Wikipedia, available under the CC BY-SA 4.0 license. Accessed on 18/07/2026.





Geographic distribution


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Species photographs

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Foto
Photography ID: 664157
  Egg
Villa Gesell
Buenos Aires
Argentina
12/04/2025
Marcos Garberoglio



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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
240330504/12/2025ArgentinaBuenos AiresVilla GesellMarcos Garberoglio
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Rio Skate (Rioraja agassizii) – Species account. Accessed from www.ecoregistros.org on 26/09/2026.