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Article

Cryptic diversity in Astyanax (Characiformes: Acestrorhamphidae) from the Magdalena basin, Colombia: Insights from molecular and morphometric evidence.

PloS one - 1 Jan 2026

Márquez Edna Judith, García-Castro Kevin León, Álvarez Daniela Ramírez, DoNascimiento Carlos

Abstract excerpt

Astyanax Baird & Girard, 1854 is a widely distributed and species-rich genus of Acestrorhamphidae, whose abundant populations in Neotropical basins play a crucial ecological role at the trophic level. Taxonomic uncertainties persist within the genus, as seen in Astyanax sp. (formerly designated as A. fasciatus) from the Magdalena basin in Colombia. Concerns about its genetic status are heightened due to...

Read the complete abstract on PubMed

Topics

Animals
Colombia
Phylogeny
Microsatellite Repeats
Genetic Variation
Characiformes

Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

Characidae

Genetics, Population

DNA, Mitochondrial

Source

Open in PubMed Open full text

Identifiers

PMID: 42758695
DOI: 10.1371/journal.pone.0347004
PMCID: PMC13588355

Provenance

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