Contact

All Stories

  1. A new endemic species of Psalidodon Eigenmann (Characiformes: Acestrorhamphidae) from the upper rio Doce basin, Brazil

    Article • Zootaxa, December 2025, Magnolia Press

    Valéria Machado

  2. Assessing fish diversity in the Amazon: The impact of primers and reference libraries in eDNA surveys

    Article • November 2025, Cold Spring Harbor Laboratory Press

    Valéria Machado

  3. Genetic variability and population structure of Osteoglossum bicirrhosum (Osteoglossiformes: Osteoglossidae) in the Amazon basin

    Article • Neotropical Ichthyology, January 2025, FapUNIFESP (SciELO)

    Valéria Machado

  4. Preliminary profile of the gut microbiota from amerindians in the Brazilian amazon experiencing a process of transition to urbanization

    Article • Brazilian Journal of Microbiology, June 2024, Springer Science + Business Media

    Valéria Machado

  5. Integrative taxonomy of the black-barred disk pacus (Characiformes: Serrasalmidae), including the redescription of Myloplus schomburgkii and the description of two new species

    Article • Neotropical Ichthyology, January 2024, FapUNIFESP (SciELO)

    Valéria Machado

  6. Multilocus approach reveals distinct evolutionary units of the South American apapa Pellona flavipinnis (Valenciennes, 1837) (Clupeiformes, Pristigasteridae)

    Article • Journal of Fish Biology, May 2023, Wiley

    Valéria Machado

  7. Genetic characterization of tambaqui stocks from two pisciculture stations in the lower São Francisco River

    Article • Semina Ciências Agrárias, November 2020, Universidade Estadual de Londrina

    Valéria Machado

  8. Integrative taxonomy reveals a new species of pacu (Characiformes: Serrasalmidae: Myloplus) from the Brazilian Amazon

    Article • Neotropical Ichthyology, January 2020, FapUNIFESP (SciELO)

    Valéria Machado

  9. Phylogenetic relationships of the neon tetras Paracheirodon spp. (Characiformes: Characidae: Stethaprioninae), including comments on Petitella georgiae and Hemigrammus bleheri

    Article • Neotropical Ichthyology, January 2020, FapUNIFESP (SciELO)

    Valéria Machado

  10. One thousand DNA barcodes of piranhas and pacus reveal geographic structure and unrecognised diversity in the Amazon

    Article • Scientific Reports, May 2018, Springer Science + Business Media

    Valéria Machado

  11. Testing Wallace's intuition: water type, reproductive isolation and divergence in an Amazonian fish

    Article • Journal of Evolutionary Biology, April 2018, Wiley

    Ms Cristhiana P. Ropke, Valéria Machado