Synapse
⌘+K
Synapse
PulseExploreClubsResearchersJournals
Instagram
HomeClubsExplore
April 4, 2026Biodiversity and ConservationOpen Access

DNA barcoding reveals taxonomic uncertainties and cryptic lineages of fish from the Mearim River basin, Maranhão, Brazil

View Full Paper
Ask AI
Bookmark
Share

Authors

ASAmanda Caroline Cardoso e SilvaUniversidade Estadual da Região Tocantina do MaranhãoDFDaniel Limeira FilhoUniversidade Estadual do MaranhãoPMPaulo Sérgio da Silva MoraesInstituto Federal do Maranhão

Discussion

Loading...

Member takes

Implication

DNA barcoding identifies hidden fish species diversity in the Mearim River basin, suggesting untapped ecological significance.

Key Points

  • The aim is to explore the genetic diversity of fish species in the Mearim River basin using DNA barcoding.
  • Conducted 20 campaign trips between 2014 and 2020 in the Mearim River basin.
  • Captured 2,412 fish individuals to analyze ichthyofaunal diversity.
  • Obtained 914 sequences of a 640 bp fragment of the mitochondrial COI gene.
  • Applied molecular species delimitation analyses using ASAP, bPTP, and GMYC models.
  • Identified a total of 74 species, 67 genera, 33 families, and 10 orders.
  • Molecular analyses suggested the presence of hidden diversity, with 74 to 77 operational taxonomic units identified.
  • Results indicated potential misidentifications based on morphological criteria.

Cite This Study

Silva et al. (2026) studied this question.

synapsesocial.com/papers/69d0adc2659487ece0fa4499https://doi.org/10.1007/s10531-026-03325-9
View Full Paper
Ask AI
Bookmark
Share

Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Building a DNA barcode library of commercially exploited fish genetic resources (FGR) of the Gomti River, Ganga basin, implications for conservation and management2025 · 2 citations
  2. 2DNA sequencing with chain-terminating inhibitors1977 · 69,520 citations
  3. 3DNA barcoding highlights taxonomic uncertainties and cryptic lineages of São Francisco River basin fishes2024 · 3 citations