Relationship Of Microplastics To Body Size For Two Estuarine Fishes

Gad, Ahmed K.; Midway, Stephen R.

doi:10.3390/microplastics1010014

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Relationship Of Microplastics To Body Size For Two Estuarine Fishes

2022
By Gad, Ahmed K. ; Midway, Stephen R.
Source: Microplastics 2022, 1(1), 211-220

[PDF-1.02 MB]

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Details:

Journal Title:

Microplastics
Personal Author:

Gad, Ahmed K. ; Midway, Stephen R.

Gad, Ahmed K. ; Midway, Stephen R. Less -
NOAA Program & Office:

Sea Grant ; OAR (Oceanic and Atmospheric Research)

Sea Grant ; OAR (Oceanic and Atmospheric Research) Less -
Sea Grant Program:

LSU (Louisiana Sea Grant)
Description:

In the northern Gulf of Mexico, microplastics are reported in very high concentrations, which are thought to be partly sourced from the Mississippi River. This study sought to quantify microplastics across body size in two fish species, the hardhead catfish (Ariopsis felis) and southern flounder (Paralichthys lethostigma), common to Gulf of Mexico estuaries. We hypothesized that counts of ingested microplastics would be higher in smaller fishes than larger fishes. Fish were sampled in 2018 and 2019 across coastal Louisiana and represented a balanced range of length classes. Both species in our study ingested microplastics—25% of southern flounder and 15% of hardhead catfish. There was a significant positive effect of total length on microplastic loads in hardhead catfish. Due to the biological importance and management relevance of fish length, the study of microplastic loads and effects on fish may need to move beyond aggregating a species to considerations of individual size.
Keywords:

[+]

Hardhead Catfish Microplastics Southern Flounder
Source:

Microplastics 2022, 1(1), 211-220
DOI:

https://doi.org/10.3390/microplastics1010014
Format:

PDF
Document Type:

Journal Article
Funding:

Grant no. NA18OAR4170098
Place as Subject:

Mexico, Gulf of
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:15584577f951b466775f86474ad6c3b9514a16507b54bdae06c6b18e135d3271
Download URL:

https://repository.library.noaa.gov/view/noaa/50054/noaa_50054_DS1.pdf
File Type:

Machine readable version (XML)

xml

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