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61,005 resultsShowing papers similar to Occurrence of Microplastics in the Gastrointestinal Tracts of Edible Fishes from South Indian Rivers
ClearAbundance, characteristics, and risk assessment of microplastics in indigenous freshwater fishes of India
Researchers examined microplastic contamination in five widely consumed freshwater fish species from India and found plastic particles in all specimens, with fibers being the most dominant type. Evidence of microplastics in edible fish tissue indicates translocation from the gut, suggesting a pathway for human exposure through consumption. Risk assessment showed that while microplastic abundance posed a low quantitative risk, the polymer types identified indicated a high hazard potential for the fish species studied.
Evaluation of Microplastic Contamination in Commercially Edible Fresh Water and Marine Fishes Bought from Fish Markets, Tiruchirappalli, Tamil Nadu, India
This Indian study examined microplastic contamination in freshwater and marine fish sold in markets in Tamil Nadu, finding plastic particles in multiple commercially important species. People who regularly eat fish from contaminated markets are likely consuming microplastics as part of their diet.
Occurrence of microplastics in gastrointestinal tracts of planktivorous fish from the Thoothukudi region
Planktivorous fish from the Thoothukudi region of southern India were surveyed for microplastic ingestion, with plastics found in a high proportion of the 677 individuals examined across multiple species. The results demonstrate that passive ingestion during filter feeding makes planktivorous fish particularly susceptible to microplastic exposure.
Occurrence of microplastics in fishes from two landing sites in Tuticorin, South east coast of India
Microplastics were found in the stomachs of two commercial fish species from markets in Tuticorin on India's southeast coast, with fibers and fragments as the dominant types. The study provides baseline data on microplastic ingestion by market fish in a major Indian fishing hub with implications for human dietary exposure.
Assessment of microplastic contamination in commercially available fishes
Researchers found microplastics in every one of 32 commercially sold fish from markets in Vellore, India, recovering a total of 875 particles from their gills and digestive tracts. Fibers made up 91% of the microplastics, with polyvinyl alcohol and polyethylene being the most common types. Since these are fish commonly eaten by local populations, the findings raise direct concerns about human microplastic exposure through seafood consumption.
Microplastic contamination in commercial fish species in southern coastal region of India
Researchers examined 220 commercial fish from the southern coast of India over six months and found microplastic contamination in all samples, with an average of 3.2 to 7.6 particles per fish. The most common types were fibers and fragments, primarily composed of polyethylene, polypropylene, polystyrene, and polyamide. The findings indicate that microplastic contamination in commercially valuable fish species is widespread along the Indian coast, raising concerns about food safety.
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.
Microplastic contamination in thirty commercially important fish species: Distribution, polymer composition, pollution indices, and human health risks
Researchers examined microplastic contamination in 600 specimens across 30 commercially important fish species from the Indian coast, finding the highest accumulation in the gastrointestinal tract with carnivorous species carrying the greatest burden. Polyethylene and polypropylene fibers were the dominant particle types, and human health risk assessment showed measurable daily intake from consuming these fish, with pollution indices indicating considerable to medium hazard risk levels.
Occurrence and characterization of microplastic content in the digestive system of riverine fishes
Researchers found microplastics in 93.8% of riverine fish examined, with polystyrene, polyethylene, and nylon being the most common polymer types concentrated near urban and industrial areas, and small particles (0.025-1 mm) predominating across species.
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.
Comparison of Presence of Microplastics in Two Edible Fish Species from South India
Researchers compared microplastic contamination in two edible fish species from South India, finding differences in the abundance and types of microplastics between species that likely reflect differences in feeding habits and habitat use.
The Occurrence of Microplastics in the Gut Contents of Selected Estuarine Fishes of Southern Kerala, India
A two-year survey of estuarine fish in southern Kerala, India, found microplastics — predominantly polypropylene, polyethylene, and polystyrene — in the stomachs of multiple commercially consumed species. The study documents spatial and seasonal variation in contamination levels, raising concern about human dietary exposure to microplastics through fish consumption in Indian coastal communities.
Microplastic Analysis in Catfish Mystus gulio (Hamilton 1822) and Tilapia Oreochromis niloticus (Linnaeus 1758) from Tirunelveli District, Tamil Nadu, India
Researchers examined microplastic contamination in the gastrointestinal tracts of two commercially important fish species, catfish (Mystus gulio) and tilapia (Oreochromis niloticus), collected from the Thamirabarani River in Tamil Nadu, India, characterizing MP morphology, color, and size using microscopy.
Occurrence of Microplastics in the Gastrointestinal Tract and Gills of Fish from Guangdong, South China
Researchers analyzed microplastic contamination in the gastrointestinal tracts and gills of eight commercial fish species from coastal Guangdong, China. They found an average of 6.6 microplastic particles per fish, with fibers under 1 mm being the most common type, and noted that herbivorous and omnivorous fish accumulated more microplastics in their digestive systems than carnivorous species.
Characterization of microplastics in commercially valued Gangetic fishes and its exposure assessment on humans
Researchers characterized microplastics in commercially sold fish from the Ganges River in India, finding plastic contamination across multiple species and providing an initial exposure assessment for human consumers who rely on freshwater fish as a primary protein source.
Assessment Of Microplastics In Commercially Important Fishes Collected From Thondi Fish Landing Center
Researchers assessed the presence and characteristics of microplastics in commercially important fish species collected from the Thondi fish landing center in India. The study evaluated microplastic contamination levels in fish obtained from a coastal fishing hub, contributing data on the prevalence of plastic particles in seafood relevant to both ecological and human dietary exposure concerns.
Abundance, characteristics and variation of microplastics in different freshwater fish species from Bangladesh
Researchers examined 48 freshwater fish from 18 species in Bangladesh and found microplastics in the digestive tracts of over 73% of the fish studied. Fibers were the most common shape, and the plastics were primarily polyethylene and polypropylene-based polymers. Bottom-dwelling fish contained more microplastics than those living higher in the water column, suggesting that contaminated sediments are a significant source of exposure for freshwater species.
Microplastics pollution in freshwater fishes in the South of Italy: Characterization, distribution, and correlation with environmental pollutants
Researchers investigated the presence, abundance, and polymer composition of microplastics in the gastrointestinal tracts of freshwater fish from rivers in southern Italy, and evaluated correlations between microplastic ingestion and environmental pollutant levels. They found microplastics in multiple fish species, with fiber morphologies predominating, and identified associations between microplastic burden and co-occurring chemical contaminants in the sampled environments.
Microplastics Invasion in Freshwater Ecosystems of Coimbatore, Tamilnadu: A Study on Water, Sediment and Fish Species of Five Major Lakes
Researchers documented microplastic contamination across water, sediment, and fish species in freshwater ecosystems of Coimbatore, India, finding widespread MP presence dominated by fibers and fragments, with fish gastrointestinal tracts accumulating significant quantities.
The accumulation of microplastics in fish freshwater in the Mun river, Thailand
Researchers examined microplastic accumulation in freshwater fish from the Mun River in Thailand, finding plastic particles in the gastrointestinal tracts of multiple fish species. Fiber-shaped microplastics were the most commonly ingested type, likely originating from textile and domestic waste sources. The findings highlight the potential for human dietary exposure to microplastics through consumption of freshwater fish that are widely eaten throughout Southeast Asia.
Prevalence of microplastics in commonly consumed fish species of the river Old Brahmaputra, Bangladesh
Researchers found microplastics in nearly 59% of edible fish from Bangladesh's Old Brahmaputra river, with polyethylene fibers and pellets dominating, and ingestion rates linked to fish size, feeding behavior, and downstream location.
Microplastic (MP) occurrence in pelagic and demersal fishes of Gujarat, northwest coast of India
Researchers examined 400 fish from Gujarat, India and found microplastics in every single fish, with 68% having plastics in their edible tissue. Fibers were the only type found in edible parts, while inedible tissues also contained fragments and films, with low-density polyethylene being the most common polymer. This is the first study of its kind from this region and suggests that people eating fish from these waters are regularly consuming microplastics.
Occurrence, distribution and characteristics of microplastics in gastrointestinal tract and gills of commercial marine fish from Malaysia
Researchers examined 158 commercial marine fish from 16 species in Malaysia and found microplastics in the gastrointestinal tracts and gills of all species studied. Fibers were the most common microplastic type, and the contamination levels varied between sampling locations. The findings add to growing evidence that microplastics are widespread in commercially important fish species, raising questions about the potential for human exposure through seafood consumption.