The Matupiri amazon fish Tetragonopterus chalceus as a bioindicator of pollution


  • Tainára Cunha Gemaque
  • Sergio Rodrigues da Silva
  • Daniel Pereira da Costa



aquaculture and fisheries, contamination, mining, blood parameters, native fish


Oxidative stress is a biological condition in which imbalance occurs between the production of reactive oxygen species. The present study aimed to evaluate the hemoglobin (Hb), methaemoglobin (mHb) and Glutathione (GSH) contents as indicators of oxidative stress in Matupiri Tetragonopterus chalceus. Fish were collected in the port area of ​​Santana, AP and others in extensive aquaculture area in Amapá, AP, Brazil. Blood samples were collected, the samples were diluted in phosphate buffer and analyzed in a spectrophotometer. When evaluating Hb, mHb and GSH, significant increases of these components were observed in fish blood (P <0.05). This suggests that the analyzed port site presents an environmental imbalance due to the exposure of the organisms to high concentrations of ores, provoking possible oxidative stress which may compromise the site for fishing and aquaculture purposes.


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How to Cite

Gemaque, T. C., da Silva, S. R., & da Costa, D. P. (2023). The Matupiri amazon fish Tetragonopterus chalceus as a bioindicator of pollution. OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANA, 21(12), 23518–23524.




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