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Additional Information

Competing Interests

The authors declare that they have no competing interest.

Author Contributions

Daniela De Fex-Wolf conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables.

Silvia López-Casas conceived and designed the experiments, performed the experiments, wrote the paper, reviewed drafts of the paper.

Luz Fernanda Jiménez-Segura conceived and designed the experiments, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Clara María Pérez-Gallego fieldwork infraestructure and transport support.

Animal Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

N/A

Data Deposition

The following information was supplied regarding data availability:

Figshare

Name: Data Prochilodus

https://figshare.com/articles/Data_Prochilodus_xlsx/5731263

Funding

This work was supported by ISAGEN S.A. E.S.P. (contract 46/3296). External funders financing field trips, congress participation, payment to students, fishermen and laboratory analysis, and have allowing the publication of this study


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