Microplastic pollution of commercial fishes from coastal and offshore waters in southwestern Japan

Yagi, Mitsuharu; Kobayashi, Tsunefumi; Maruyama, Yutaka; Hoshina, Sota; Masumi, Satoshi; Aizawa, Itaru; Uchida, Jun; Kinoshita, T; Yamawaki, Nobuhiro; Aoshima, Takashi; Morii, Yasuhiro; Shimizu, Kenichi

doi:10.1016/j.marpolbul.2021.113304

Cited by 33 publications

(20 citation statements)

References 70 publications

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“…The copyright holder for this preprint this version posted July 5, 2022. ; https://doi.org/10.1101/2022.07.05.498898 doi: bioRxiv preprint al., 2020; Yagi et al, 2022). Goldfish used in this study are visual, omnivores and pick off individual food particles like most diurnal fishes.…”

Section: Discussionmentioning

confidence: 99%

“…Thus, fish detected MPs as foreign particles using taste buds and backwashed MPs to expel them from their mouths. Yagi et al (2022) reported that in the East China Sea, redwing sea robins, which have sensory pectoral fins, did not ingest MPs, and speculated that fish with taste-detecting organs can avoid MP consumption. Interestingly, capture time in the oral cavity increased with increasing MP exposure duration (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…Likewise, Semcesen and Wells (2021) showed that smaller particles have smaller terminal rise and settling velocities than larger particles since the velocities are strongly influenced by drag as well as particle buoyancy (affected by biofilm). In fact, Yagi et al (2022) . CC-BY-NC 4.0 International license made available under a (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity.…”

Section: Discussionmentioning

confidence: 99%

“…Likewise, Semcesen and Wells (2021) showed that smaller particles have smaller terminal rise and settling velocities than larger particles since the velocities are strongly influenced by drag as well as particle buoyancy (affected by biofilm). In fact, Yagi et al (2022) reported ingestion of MPs by commercial fishes caught by trawling at 150 m depth. Thus, MPs exposure to aquatic environments appears to increase the risk of MP ingestion Furthermore, prolonged suspension accelerates attachment of larger adherent organisms induced by the biofilm.…”

Section: Discussionmentioning

confidence: 99%

“…Ory et al (2017) reported that a planktivorous fish ingested blue MPs as readily as zooplankton. Yagi et al (2022) also showed that habitat depth and type affect ingestion frequency of MPs in several commercially important fish species. Mechanisms underlying MP ingestion need to be clarified to determine their impact on fish.…”

Section: Introductionmentioning

confidence: 97%

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Microplastic pollution in aquatic environments may facilitate misfeeding by fish

Yagi

Ono

Kawaguchi

2022

Preprint

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Numerous recent studies have documented ingestion of microplastics (MPs) by many aquatic animals, yet an explanation for misfeeding by fish remains unexplained. Here we tested the hypothesis that biofilm (biofouling) on MP surfaces due to exposure in the aquatic environment facilitates misfeeding in fish. Spherical polystyrene (PS) was cultured for 0 to 22 weeks in a freshwater environment to grow biofilm on the MP. Goldfish were employed in a simple feeding experiment with and without provision of genuine food at ecologically relevant MP concentrations. The absorbance (ABS), which is a proxy for biofilm formation increased exponentially within three weeks of initiation and reached a plateau after approximately five weeks. Although fish did not swallow the MPs, 'capture' occurred when food pellets were in the vicinity and significantly increased in probability with exposure time. Duration of capture also increased significantly with increasing exposure. These results suggest that the drift of MPs in aquatic environments may facilitate fish misidentification of MPs as edible prey.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…Likewise, Semcesen and Wells (2021) showed that smaller particles have smaller terminal rise and settling velocities than larger particles since the velocities are strongly influenced by drag as well as particle buoyancy (affected by biofilm). In fact, Yagi et al (2022) reported ingestion of MPs by commercial fishes caught by trawling at 150 m depth. Thus, MPs exposure to aquatic environments appears to increase the risk of MP ingestion Furthermore, prolonged suspension accelerates attachment of larger adherent organisms induced by the biofilm.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

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Microplastic pollution in aquatic environments may facilitate misfeeding by fish

Yagi

Ono

Kawaguchi

2022

Preprint

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Microplastics distribution and possible ingestion by fish in lacustrine waters (Lake Bracciano, Italy)

Cera

Sighicelli

Sodo

et al. 2022

Environ Sci Pollut Res

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Understanding the spatial distribution patterns of microplastics (plastics < 5 mm) contributes to the assessment of sources and sinks of pollution thus providing information for the management of biota safety and overall ecosystem functionality. We chose a semi-closed study area, Lake Bracciano (Italy), to assess the environmental variability of contamination, focusing on the water compartment and the exposure of biota, specifically fish, by analysing the ingestion of microplastics. The focus of this study is to evaluate the concentration of microplastics in water (surface and column) across the lake and the ingestion of microplastics by two fish species of economic interest: Atherina boyeri and Coregonus lavaretus, inhabiting demersal and pelagic habitats respectively. Results show a surface contamination of 392,000 ± 417,000 items km −2 and a column one of 0.76 ± 1.00 items m −3 . Fragments were the most abundant in surface while fibres in the column. Microplastics were found in C. lavaretus specimens, corresponding to contamination frequency of 5% and concentration of 0.15 items/ fish. The main polymer found in water was polyethylene (81%); of minor percentages, there were various other polymers, including polystyrene and acrylic, which were also found in fish. As scientific literature provides few research where water and fish are simultaneously sampled, this investigation wants to contribute filling this knowledge gap by investigating for the first time a volcanic lake.

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Prevalence of microplastics in commonly consumed fish species of the river Old Brahmaputra, Bangladesh

Ferdous

Amin

Hasan

et al. 2023

Environ Sci Pollut Res

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Microplastic pollution of commercial fishes from coastal and offshore waters in southwestern Japan

Cited by 33 publications

References 70 publications

Microplastic pollution in aquatic environments may facilitate misfeeding by fish

Microplastic pollution in aquatic environments may facilitate misfeeding by fish

Microplastics distribution and possible ingestion by fish in lacustrine waters (Lake Bracciano, Italy)

Prevalence of microplastics in commonly consumed fish species of the river Old Brahmaputra, Bangladesh

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