Microplastics and the functional traits of fishes: A global meta‐analysis

Salerno, Martina; Berlino, M.; Mangano, Maria Cristina; Sarà, Gianluca

doi:10.1111/gcb.15570

Cited by 88 publications

(32 citation statements)

References 70 publications

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“…Others are related to the possible health risk for humans due to the consumption of fish and seafood [49][50][51]. Finally, many tried to summarize the results obtained from laboratory trials [35,[52][53][54]. Review about microplastic ingestion by freshwater fish exist, but are now quite old [55] or failed to summarize MPs presence in other organs and the effects on fish health [56], although giving a detailed summary of the methods for MPs extraction and characterization (for this reason not reviewed herein).…”

Section: Introductionmentioning

confidence: 99%

Do Freshwater Fish Eat Microplastics? A Review with A Focus on Effects on Fish Health and Predictive Traits of MPs Ingestion

Galafassi

Campanale

Massarelli

et al. 2021

Water

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Microplastics (MPs) have received increasing attention in the last decade and are now considered among the most concerning emerging pollutants in natural environments. Here, the current knowledge on microplastic ingestion by wild freshwater fish is reviewed with a focus on the identification of possible factors leading to the ingestion of MPs and the consequences on fish health. Within the literature, 257 species of freshwater fishes from 32 countries have been documented to ingest MPs. MPs ingestion was found to increase with rising level of urbanization, although a direct correlation with MPs concentration in the surrounding water has not been identified. MPs ingestion was detected in all the published articles, with MPs presence in more than 50% of the specimens analyzed in one study out of two. Together with the digestive tract, MPs were also found in the gills, and there is evidence that MPs can translocate to different tissues of the organism. Strong evidence, therefore, exists that MPs may represent a serious risk for ecosystems, and are a direct danger for human health. Moreover, toxicological effects have also been highlighted in wild catches, demonstrating the importance of this problem and suggesting the need for laboratory experiments more representative of the environmental situation.

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Section: Introductionmentioning

confidence: 99%

Do Freshwater Fish Eat Microplastics? A Review with A Focus on Effects on Fish Health and Predictive Traits of MPs Ingestion

Galafassi

Campanale

Massarelli

et al. 2021

Water

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show abstract

“…In the aquatic environment, plastics pose health risks to both flora and fauna (Scherer et al, 2018). A large body of evidence shows that different types of MPs may decrease growth, induce oxidative stress, histopathological damage, and inflammation (Hirt & Body‐Malapel, 2020; Kim et al, 2021; Salerno et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Histopathological damage and stress‐ and immune‐related genes' expression in the intestine of common carp, Cyprinus carpio exposed to copper and polyvinyl chloride microparticle

et al. 2021

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The present study aimed at assessing the singular and combined effects of water copper and polyvinyl chloride microplastic (MPVC) on intestinal copper accumulation, histopathological damage, and stress‐/immune‐related genes' expression in common carp, Cyprinus carpio. Four groups of fish were maintained in triplicate: control (kept in clean water), Cu (exposed to 0.25 mg/L of copper), MPVC (exposed to 0.5 mg/L of MPVC), and Cu‐MPVC (exposed to 0.25 mg/L of copper + 0.5 mg/L of MPVC). After 14‐day exposure, the fish of Cu and Cu‐MPVC treatments exhibited significantly higher intestinal copper contents, compared to the fish of control and MPVC treatments. In this regard, the Cu‐MPVC fish had significantly higher copper content than the Cu fish. Exposure to copper and/or MPVC significantly upregulated the intestinal heat shock protein 70 (hsp70), cytochrome P450 family 1 subfamily A member 1 (cyp1a1), lysozyme (lys), defensin (def), mucin 2 (muc2), and mucin 5 (muc5) expression. The highest expression of hsp70, cyp1a1, lys, and def was related to Cu‐MPVC treatment; whereas, the highest expression of muc2 and muc5 was observed in Cu and MPVC treatments. Exposure to copper and/or MPVC induced intestinal damage, which Cu‐MPVC fish exhibited the highest severity. The present study revealed that exposure to copper and/or MPVC causes intestinal histopathological damage and upregulation in stress‐ and immune‐related genes' expression. The most serious effects were observed in Cu‐MPVC treatment that might be due to additive effects of copper and MPVC and/or higher copper accumulation in this treatment.

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“…Much of the popularity that trait−based ecology has gained is because it facilitates generalization across ecological communities with few species in common, but similar characteristics (McGill et al, 2006). For example, intrinsic species-level traits play an important role in species' susceptibility to ingestion of debris (Salerno et al, 2021). Filter feeding strategies, for example, may expose animals to microplastic ingestion (Germanov et al, 2018(Germanov et al, , 2019.…”

Section: Discussionmentioning

confidence: 99%

“…From invertebrates (Remy et al, 2015;Rotjan et al, 2019) to fishes (Rochman, 2013;Garnier et al, 2019;Macieira et al, 2021) and megafauna (Besseling et al, 2015;Santos et al, 2015;Germanov et al, 2018), varied groups and trophic levels are affected by the accumulation of man-made material in the marine environment (Farrell and Nelson, 2013;Gall and Thompson, 2015;Santos et al, 2021). Species' ecological traits and their interaction with debris may influence their susceptibility to ingestion of debris (Covernton et al, 2021;Salerno et al, 2021). For example, filter-feeding animals accumulate high amounts of micro-debris due to their adaptation to feed on plankton (Germanov et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Ecological Traits Influencing Anthropogenic Debris Ingestion by Herbivorous Reef Fishes

et al. 2021

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One of the most conspicuous marks of the Anthropocene worldwide is the ubiquitous pollution by long lifespan materials (e.g., plastic). In marine habitats, anthropogenic debris are observed from floating on the surface to deposited on the substrate or ingested by wildlife at different food web levels. However, the link between feeding strategy types and debris ingestion by reef fishes remains poorly explored. We analyzed the gut contents of three nominally herbivorous fishes along the Brazilian coast: the doctorfish Acanthurus chirurgus, the parrotfish, Sparisoma axillare, and the chub Kyphosus vaigiensis. Individual [i.e., total length (TL)] and species-level functional traits, as well sites with distinct environmental features (i.e., tourism activity intensity, fishing pressure, and distance from the coast), were tested as predictors of the concentration of debris found inside individual fish guts. Debris found were quantified, measured, and classified accordingly to color and shape. We found debris in 52.7% of individuals. Debris ranged from 0.10 to 11.75 mm, and the frequency of occurrence and ingestion rate (number of debris per individual) varied among species, being higher for the scraper species S. axillare (95.7% and 4.9 ± 1.2, respectively) and A. chirurgus (74.6% and 1.64 ± 0.34), than for the browser K. vaigiensis (55.8% and 0.83 ± 0.24). TL, scraping feeding mode, and the most impacted location were positively related to debris ingestion rate. Our work revealed a higher vulnerability of an ecologically important trophic group to debris ingestion and of an already threatened species according to Brazilian red list. Besides the increasing number of species contaminated by anthropogenic debris, its effect on fish biology and physiology remains poorly understood. Understanding these links would improve conservation planning as species contamination could act as a proxy for environmental pollution on marine habitats.

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Microplastics and the functional traits of fishes: A global meta‐analysis

Cited by 88 publications

References 70 publications

Do Freshwater Fish Eat Microplastics? A Review with A Focus on Effects on Fish Health and Predictive Traits of MPs Ingestion

Do Freshwater Fish Eat Microplastics? A Review with A Focus on Effects on Fish Health and Predictive Traits of MPs Ingestion

Histopathological damage and stress‐ and immune‐related genes' expression in the intestine of common carp, Cyprinus carpio exposed to copper and polyvinyl chloride microparticle

Ecological Traits Influencing Anthropogenic Debris Ingestion by Herbivorous Reef Fishes

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