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Acestrorhynchus pantaneiro

Pike characin


Acestrorhynchus pantaneiro

Dientudo paraguayo
Family: Characidae
Order: Characiformes
Class: Actinopterygii
Phylum / Division: Chordata
Kingdom: Animalia
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Records from Argentina

Description


Acestrorhynchus pantaneiro, known commonly as the pike characin, is a species of freshwater ray-finned fish belonging to the family Acestrorhynchidae, the freshwater barracudas. It was described by Naércio Aquino de Menezes in 1992. It inhabits the La Plata, Paraná, Paraguay, Uruguay, and Mamoré Rivers. It reaches a maximum total length of , and a maximum weight of .

A. pantaneiro feeds on bony fish. It is harvested by commercial fisheries.

Source: Wikipedia, article Acestrorhynchus pantaneiro. Content adapted from Wikipedia, available under the CC BY-SA 4.0 license. Accessed on 15/07/2026.





Geographic distribution


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Latest feeding records

Is consumed, preyed upon or captured by...
GroupSpeciesDateUser
BirdsBiguá (Nannopterum brasilianum)26/09/2019Eduardo Beltrocco
BirdsBiguá (Nannopterum brasilianum)26/09/2019Eduardo Beltrocco
BirdsHocó Colorado (Tigrisoma lineatum)25/05/2016Sergio Cusano



Species photographs

Last published photographs

Foto
Photography ID: 517533
 Pirané
Formosa
Argentina
12/10/2022
Hugo Caverzasi
Foto
Photography ID: 352965
  Adult
Santo Tomé
Santa Fe
Argentina
09/26/2019
Eduardo Beltrocco



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Last filmings published




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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
168737510/12/2022ArgentinaFormosaRiacho Monte lindo grande, PiranéHugo Caverzasi
110088226/09/2019ArgentinaSanta FeSobre el rio Salado, Santo ToméEduardo Beltrocco
141264916/02/2015ArgentinaEntre RíosÁrea Natural Protegida Don SebastiánNicolas Olejnik
8051017/11/2013ArgentinaCorrientesEn el pueblo a orilla de la laguna, Colonia Carlos PellegriniSebastián Rozadilla
6053121/08/2010ArgentinaSanta Fe32°43´24.01"S 60°40´52.33"O, Sección Islas del Río ParanáPablo Cantador
13915918/08/2010ArgentinaEntre RíosCosta del lago al este de la reserva y costa del campo Omar García, Reserva Privada Don Víctor, Dpto. FederaciónCarlos M. Grassini
13740727/09/2007ArgentinaEntre RíosCosta del lago al sur y oeste de la reserva, Reserva Privada Don Víctor, Dpto. FederaciónCarlos M. Grassini
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Pike characin (Acestrorhynchus pantaneiro) – Species account. Accessed from www.ecoregistros.org on 24/09/2026.