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ToolsHerrera-R, Guido A., Heilpern, Sebastian A., Couto, Thiago B. A., Victoria-Lacy, Lulu, Duponchelle, Fabrice, Correa, Sandra B., Farah-Pérez, Aldo, López-Casas, Silvia, Cañas-Alva, Carlos M., Doria, Carolina R. C. and Anderson, Elizabeth P. (2024) A synthesis of the diversity of freshwater fish migrations in the Amazon basin. Fish and Fisheries, 25 (1). pp. 114-133. ISSN 1467-2960
Full text not available from this repository. (Request a copy)Abstract
In the Amazon, the world's largest river basin, migrations within freshwater habitats are one of the predominant life history strategies for fishes. The flood pulse and the extensive river network provide aquatic organisms with temporal and spatial accessibility to a mosaic of freshwater habitats. Although migratory fish species are central to freshwater ecosystems and fisheries, the knowledge of species and migratory patterns has traditionally relied on anecdotal and scattered information, lacking a unifying methodological and conceptual framework. We quantitatively synthesize the evidence about this biological phenomenom in the Amazon basin through a systematic literature review. We constructed a reference database of migratory events in the Amazon basin, including species, life stages, purposes, direction, habitats and subbasins. We found that 223 species were documented in 90 references as performing migrations distributed across eight orders and 31 families. Migration is a conserved trait in the evolutionary history of Amazonian fish fauna, suggesting that ~41% of migratory species are likely unreported. We noted a geographical bias in the report of migratory events towards 13 of the 27 major subbasins of the Amazon. We found a significant association between the hydrological timing at the beginning and end of migrations across species, including reproduction as the most commonly reported purpose. However, most species lack the application of robust methods (e.g. telemetry, otolith microchemistry) to classify them as migratory, relying upon secondary sources of information (i.e. reviews or species checklists). Further, we discuss future opportunities and challenges to continue the study of fish migrations in the Amazon basin.
| Item Type: | Article |
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| Additional Information: | DATA AVAILABILITY STATEMENT: The reference database compiled with migratory events and references identified in the literature review is provided as an open resource in a Zenodo repository: https://doi.org/10.5281/zenodo.10086336. FUNDING: We are grateful to the MacArthur Foundation and the Tinker Foundation for primary support that helped advance the efforts reported here. We also acknowledge the Amazon Waters Initiative (currently known as the Amazon Water Alliance) - managed through the Andes, Amazon and Orinoco (AAO) regional office of WCS (Wildlife Conservation Society)- and the Gordon and Betty Moore Foundation for additional support. GAHR acknowledges funding from the Ministry of Sciences, Technology and Innovation of Colombia (Call for doctorates abroad No. 860 from 2019) and through the Graduate School of the University of Tennessee, Knoxville. SBC was supported by the Forest and Wildlife Research Center, Mississippi State University (McIntire Stennis project #1026075). CRCD is grateful to the CNPq (Conselho Nacional de Desenvolvimento Científico e Tecnológico) for the research grants provided (Process Numbers: 305836/2020-0). |
| Uncontrolled Keywords: | actinopterygii,hydrological connectivity,migratory behaviour,movement ecology,neotropics,potamodromy,oceanography,ecology, evolution, behavior and systematics,aquatic science,management, monitoring, policy and law ,/dk/atira/pure/subjectarea/asjc/1900/1910 |
| Faculty \ School: | Faculty of Science > School of Environmental Sciences |
| Related URLs: | |
| Depositing User: | LivePure Connector |
| Date Deposited: | 29 Sep 2025 10:30 |
| Last Modified: | 01 Oct 2025 13:30 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/100492 |
| DOI: | 10.1111/faf.12795 |
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