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20 resultsShowing papers similar to Screening for microplastics in marine fish of Thailand: the accumulation of microplastics in the gastrointestinal tract of different foraging preferences
ClearPresence and Characterization of Microplastics in Coastal Fish around the Eastern Coast of Thailand
Researchers examined microplastic contamination in 274 fish from Thailand's eastern coast and found that about 13% of specimens had ingested microplastics, predominantly PET fibers. Pelagic species showed slightly higher microplastic ingestion rates than bottom-dwelling species, though overall the contamination was relatively low compared to global averages. The study suggests that fish feeding behavior and habitat influence their exposure to microplastic pollution.
Microplastics Contamination of Mackerel and Red Snapper as Commercial Fish from the Takalar Fish Landing, Indonesia
Researchers identified and characterized microplastics from mackerel and red snapper tissues collected at the Takalar Fish Landing, Indonesia, using FTIR spectroscopy to confirm polymer types after counting particles by shape, size, and color, while implementing contamination-prevention protocols to ensure result accuracy.
Detection and analysis of microplastic contamination in Anodontostoma chacunda from Kasimedu fish landing centre, Bay of Bengal Coast
Researchers collected 100 specimens of the pelagic fish Anodontostoma chacunda from Kasimedu fish landing centre on the Bay of Bengal coast and analyzed stomach contents using wet peroxidation digestion and FTIR-ATR spectroscopy. They recovered 200 microplastic particles averaging 3 particles per fish, with fibers (66%) and fragments (34%) identified, and Rayon confirmed as the predominant polymer type.
Distribution of Microplastics along Mai Khao Coastline, Phuket
Researchers sampled microplastics from the intertidal zone of Mai Khao beach in Phuket, Thailand, during two seasonal sampling events, separating particles into two size classes and analyzing polymer composition using micro-FTIR. They found that fibers dominated at 94.5%, PET was the predominant polymer at 94.7%, and abundances at this site were higher than at other west coast Phuket locations, indicating elevated local anthropogenic input.
Identification and Quantification of Microplastics in Mackerel (Rastrelliger sp) at the Tual City Fish Market
Researchers identified and quantified microplastics in the digestive tracts of mackerel from the Tual City fish market in Indonesia using microscopy and FTIR analysis, confirming the presence of multiple polymer types in commercially sold fish.
Microplastics in Commercial Fishes and By-Catch from Selected FAO Major Fishing Areas of the Southern Baltic Sea
Researchers found microplastics in both edible and non-edible organs of five fish species from the southern Baltic Sea, with 1-12 particles per fish dominated by fibers, and polymers including cellophane, polyamide, polyethylene, and polypropylene identified by FTIR spectroscopy.
Additives, plasticizers, small microplastics (<100 μm), and other microlitter components in the gastrointestinal tract of commercial teleost fish: Method of extraction, purification, quantification, and characterization using Micro-FTIR
Researchers developed a Micro-FTIR extraction and identification method for small microplastics (under 100 µm) and plastic additives in the gastrointestinal tracts of five commercial Mediterranean fish species, finding species-specific contamination patterns with anchovies and sardines showing the highest microplastic burdens.
Quantification and characterization of microplastics in commercial fish from southern New Zealand
Researchers quantified microplastic ingestion in ten commercially important fish species from southern New Zealand using microscopy and Raman spectroscopy. The study found that 75% of fish contained microplastics, with an average of 2.5 particles per fish, predominantly fibers in blue, black, and red colors, composed mainly of polyester and polyethylene terephthalate.
Occurrence of microplastics in Russell’s snapper (Lutjanus russellii) and associated prey species in the Central Gulf of Thailand
Researchers analyzed stomach contents of Russell's snapper (Lutjanus russellii) and its prey species along Thailand's Chumphon coast to understand MP trophic transfer. MPs—predominantly black and red fibers—were found in both the predator and its prey, though no significant correlation with fish size or weight was found, suggesting dietary habits rather than individual fish characteristics drive MP ingestion.
Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Researchers examined the digestive tracts of commercial freshwater fish species from Northern Thailand and found microplastics present in all species studied. Fibers were the most common type of microplastic detected, followed by fragments, with varying abundances depending on the fish species and habitat. The findings raise awareness about microplastic contamination in Thai freshwater fish and the potential for human dietary exposure.
Identification of the composition and abundance of microplastics in the digestive tract of fish in the Banjaran River, Banyumas District
Researchers identified and quantified microplastic composition and abundance in digestive tract contents of wild-caught fish from a coastal fishery, documenting ingestion rates, polymer types, and particle morphologies across multiple commercially important species.
Ingested Microplastics in 18 Local Fish Species from the Northwestern Mediterranean Sea
Researchers investigated microplastic occurrence and polymer composition in the digestive tracts of 18 coastal fish species from the northwestern Mediterranean Sea, using hydrogen peroxide digestion and FTIR spectrometry with rigorous blank controls, which led to removing 78% of initially suspected particles. Corrected microplastic concentrations ranged from 0.00 to 5.15 items per fish, consistent with other Mediterranean studies, with polymer type variation across species.
Microplastic contamination in edible marine fishes from the upper Gulf of Thailand
Researchers examined microplastic contamination in edible fish from the upper Gulf of Thailand and found that nearly half the fish sampled contained microplastics in their digestive tracts, mostly polyester fibers. The estimated daily microplastic exposure for people eating these fish was relatively low at 0.03 to 0.1 particles per person. While the immediate risk appears small, the study recommends continued monitoring to ensure seafood safety as plastic pollution increases.
Quantification, identification, and chemical characterization of microplastics (MPs) in commercial fishes from the Palk Strait, Southeast India
Researchers examined microplastics in the tissues and guts of 75 commercially important fish from the Palk Strait in Southeast India, finding an average of 115 particles per individual. Fibers were the most common form at 51%, with polyethylene and polypropylene as the dominant polymers, and particle sizes ranged from 0.1 to 1.0 millimeters. The presence of microplastics in edible fish tissues suggests a potential route of human exposure through seafood consumption.
Quantification, identification, and chemical characterization of microplastics (MPs) in commercial fishes from the Palk Strait, Southeast India
Researchers examined microplastics in the tissues and guts of 75 commercially important fish from the Palk Strait in Southeast India, finding an average of 115 particles per individual. Fibers were the most common form at 51%, with polyethylene and polypropylene as the dominant polymers, and particle sizes ranged from 0.1 to 1.0 millimeters. The presence of microplastics in edible fish tissues suggests a potential route of human exposure through seafood consumption.
Identification and Characterization of Micro and Mesoplastics Isolated from Commercially Important Marine Fishes of Pulicat Lake, Tamil Nadu, India
This study identified micro- and mesoplastics in the digestive tracts of 15 commercially important fish species from an Indian coastal lake, using infrared spectroscopy to confirm plastic polymer types. The presence of plastics in food fish raises concerns about human dietary exposure through seafood consumption.
Molecular identification of polymers and anthropogenic particles extracted from oceanic water and fish stomach – A Raman micro-spectroscopy study
Researchers applied Raman micro-spectroscopy to identify plastic polymers in Pacific Ocean trawl samples and fish stomach contents, finding polyethylene and polypropylene as the dominant types while demonstrating that many particles visually suspected as plastic were actually non-polymer biological material — underscoring the necessity of chemical verification.
Microplastic contamination in freshwater fish: first insights from the Mekong River in Nakhon Phanom Province, Thailand
Researchers found microplastics in 100% of 89 fish gastrointestinal tracts sampled from the Mekong River in Thailand, averaging 23.76 items per individual, with fragments being the dominant shape (83%), particles under 100 µm the most common size, and 17 polymer types identified across species.
Microplastics FTIR characterisation and distribution in the water column and digestive tracts of small pelagic fish in the Gulf of Lions
Researchers found microplastics in 93% of water column samples and in 12% of sardines and 11% of anchovies sampled from the Gulf of Lions in the NW Mediterranean Sea, characterizing plastic composition by FTIR and finding similar debris types in both water and fish digestive tracts.
Quali-quantitative analysis of plastics and synthetic microfibers found in demersal species from Southern Tyrrhenian Sea (Central Mediterranean)
Researchers examined plastic ingestion in five demersal fish species from the Southern Tyrrhenian Sea, finding that 14.4% of 125 fish had ingested plastics at an average of 0.24 items per specimen, with fibers comprising the majority and the blackmouth catshark showing the highest contamination. Infrared and Raman spectroscopy identified the plastic debris as polypropylene, nylon, Teflon, polyethylene, and a triblock copolymer, with 94% classified as microplastics.