Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Microplastics in the Digestive Tract and Gills of Dormitator maculatus (Perciformes, Eleotridae) from Alvarado Lagoon

Version 1 : Received: 15 February 2024 / Approved: 19 February 2024 / Online: 19 February 2024 (04:56:56 CET)

How to cite: Del Ángel-Guzmán, D.J.; Dávila-Camacho, C.A.; Lango-Reynoso, F.; Castañeda-Chávez, M.D.R.; Bernal-Ramírez, R.D.G.; Montoya-Mendoza, J.; Martínez-Cárdenas, L. Microplastics in the Digestive Tract and Gills of Dormitator maculatus (Perciformes, Eleotridae) from Alvarado Lagoon. Preprints 2024, 2024020991. https://doi.org/10.20944/preprints202402.0991.v1 Del Ángel-Guzmán, D.J.; Dávila-Camacho, C.A.; Lango-Reynoso, F.; Castañeda-Chávez, M.D.R.; Bernal-Ramírez, R.D.G.; Montoya-Mendoza, J.; Martínez-Cárdenas, L. Microplastics in the Digestive Tract and Gills of Dormitator maculatus (Perciformes, Eleotridae) from Alvarado Lagoon. Preprints 2024, 2024020991. https://doi.org/10.20944/preprints202402.0991.v1

Abstract

127 “naca” fish, Dormitator maculatus from the Alvarado lagoon, were analyzed, of which 1134 microplastics (MP) were obtained: 561 found in the digestive tract and 573 in gills. The predominant MP found in D. maculatus were fibers with 97.53%, the most abundant color was blue (62%), followed by transparent (12%) and of these the MP in the form of fibers predominated. Regarding the biological parameters, there was only a positive correlation with the weight of the intestine and the weight of the gills; However, this ratio is very low. The biological parameters analyzed: weight, height, condition index and intestinal fullness, lack a relationship between the amount of MP present in the intestines and gills. The type of PM obtained indicates that they come from urban areas, a product of daily activities such as washing clothes and fishing.

Keywords

Microplastics, Dormitator maculatus, Alvarado Lagoon, gastrointestinal tract contents, gills

Subject

Environmental and Earth Sciences, Pollution

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