First evidence of ingested plastics by a high commercial shrimp species (Plesionika narval) in the eastern Mediterranean

This study provides the first evidence of nylon filament occurrence in the stomach of an economically important target shrimp species in the Mediterranean Sea, Plesionika narval (Fabricius, 1787). Samples were collected monthly from November 2014 to October 2015 from shallow (10–30 m) and deeper wat...

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Bibliographic Details
Published in:Marine pollution bulletin 2018-11, Vol.136, p.472-476
Main Authors: Bordbar, L., Kapiris, K., Kalogirou, S., Anastasopoulou, A.
Format: Article
Language:English
Subjects:
Aegean Sea
Animals
Commercial species
Dietary Exposure - analysis
Eating
Environmental Monitoring - methods
Female
Females
Fishing
Gastrointestinal Contents - chemistry
Infrared radiation
Ingested plastics
Ingestion
Male
Males
Marine pollution
Mediterranean Sea
Monodon monoceros
Nylon
Nylons - analysis
Nylonylon
Pandalidae
Plastics
Plastics - analysis
Plesionika
Plesionika narval
Polymers
Reproduction
Shellfish
Shellfish - analysis
Species
Spectroscopy, Fourier Transform Infrared
Stomach
Water Pollutants, Chemical - analysis
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Summary:This study provides the first evidence of nylon filament occurrence in the stomach of an economically important target shrimp species in the Mediterranean Sea, Plesionika narval (Fabricius, 1787). Samples were collected monthly from November 2014 to October 2015 from shallow (10–30 m) and deeper waters (150–170 m). The occurrence of plastics in the stomachs of the Narwal shrimp was 5.93% and identified as Nylon by FT-IR analysis. Higher percentages of ingested plastics were found in females from shallower depths and in males from deeper waters. The maximum number of plastics was recorded in January and March, possibly related to the higher feeding intensity of females prior to their reproduction period. A total of 10.3% of females and 4.8% of males with ingested plastics had almost empty stomachs. The presence of plastics in the stomach of P. narval is an evidence of passive ingestion which in this study related to fishing activities. •First record of plastic ingestion by the Plesionika narval (narwal shrimp)•Ingested plastics were related to fishing activities.•Nylon filament was the only polymer detected in the stomachs of the examined narwal shrimp.
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2018.09.030