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61,005 resultsShowing papers similar to Aquatic pollution and its effects on fish health
ClearImpact of Heavy Metals and Pesticide Contamination on Aquatic Environment and Fish Health: Challenges and Bioremediation Strategies
This review examines the impact of heavy metals and pesticide contamination on aquatic environments and fish health, with attention to how microplastics interact with these traditional pollutants. The authors discuss how pollution from industrialization affects fish physiology and disrupts ecosystem balance. The study highlights bioremediation approaches as sustainable strategies for addressing contaminated aquatic environments.
Impact of Heavy Metals and Pesticide Contamination on Aquatic Environment and Fish Health: Challenges and Bioremediation Strategies
This review examines the impact of heavy metals and pesticide contamination on aquatic environments and fish health, including the role of microplastics as co-contaminants. The authors discuss how industrialization has increased pollutant levels in water systems, affecting fish physiology and ecosystem balance. The study highlights bioremediation strategies as promising approaches for cleaning up contaminated aquatic environments.
Health impacts of water pollution on fish in the Tigris River: A review
This review examines the health impacts of water pollution on fish in Iraq's Tigris River, covering degradation from industrial, agricultural, and domestic sources including heavy metals, pesticides, and microplastics, and consequences for fish populations supporting regional food security.
Impact of Aquatic Pollution on Embryonic and Larval Development in Fish: A Comprehensive Review
This review examines how aquatic pollutants—heavy metals, pesticides, and microplastics—affect the embryonic and larval development of fish, detailing mechanisms of toxicity including disrupted organ formation, hormonal interference, and altered enzyme activity. The paper frames fish as early warning indicators of contamination given their sensitivity during development.
Microplastics in freshwater wild and farmed fish species of Bangladesh
Researchers evaluated microplastic contamination in freshwater wild and farmed fish species across multiple rivers and farms in Bangladesh, comparing contamination levels between wild-caught and aquaculture-raised fish of the same species.
Effects of microplastics on the toxicity of co-existing pollutants to fish: A meta-analysis
Meta-analysis of 1,380 biological endpoints from 55 studies found that microplastics in co-existing pollutant solutions significantly increased toxicity to fish beyond what the pollutants caused alone, particularly elevating immune system damage, metabolic disruption, and oxidative stress. The effect depended on fish life stage and microplastic size, but not on pollutant or polymer type.
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.
A comprehensive review on assessment of plastic debris in aquatic environment and its prevalence in fishes and other aquatic animals in India
This review compiled Indian studies on plastic debris in aquatic environments and aquatic organisms, documenting widespread contamination in rivers, coastal waters, and fisheries, and identifying the lack of standardized methods and long-term monitoring as major obstacles to understanding the full extent of the problem.
Drenched in microplastic environment: Physiological and metabolic disruptions in fish
This literature review synthesized studies on the physiological and metabolic disruptions microplastics cause in fish, finding impacts across multiple organ systems including the liver, gut, gills, and reproductive organs depending on particle type and exposure duration.
Role of Environmental Pollution in Altering Reproductive Cycles in Freshwater Fishes
Not relevant to microplastics — this review examines how industrial chemicals, pharmaceuticals, heavy metals, and pesticides in freshwater ecosystems disrupt reproductive cycles in fish, covering hormonal imbalances and population effects from endocrine-disrupting chemicals broadly.
Toxicological Studies of Fish and Fish Cells in Vitro and in Vivo
This review summarizes advances in in vitro and in vivo toxicological studies of fish and fish cells, examining the impacts of various industrial, agricultural, and urban pollutants -- including microplastics -- on fish health and potential risks to humans through the food chain.
Water Quality and Fish Health: Interaction with Toxic Substances
This review examines how various toxic substances in water, including microplastics, affect fish health through physiological, behavioral, and biochemical pathways. Researchers summarized evidence that pollutants can accumulate in fish tissues and impair their immune systems, reproduction, and organ function. The study emphasizes that declining water quality from emerging contaminants poses growing risks to aquatic ecosystems and the species that depend on them.
Microplastic and Heavy Metal Accumulation in Cultured Fish: Concerns for Food Safety
Researchers analysed microplastics and heavy metals in five freshwater fish species from aquaculture ponds in Bangladesh and found MPs in the gastrointestinal tracts of 96% and in edible tissues of 88% of fish sampled. Heavy metal concentrations also exceeded safe levels in several species, raising combined food safety concerns.
Impact of Pollution and Toxic Stress on Fish Health: Mechanisms, Consequences, and Mitigation Strategies
This review examined the many ways pollution and toxic substances harm fish health, including through disrupted metabolism, hormonal imbalances, weakened immune systems, and reproductive problems. The study highlights that pollutants enter fish through water, food, and sediment, and discusses mitigation strategies for protecting fish populations and the broader aquatic ecosystems they support.
Quantitative and qualitative assessment of microplastics in freshwater and marine water fishes in India: Exploring the significant impact of microplastics on fish health
This review examines the widespread distribution of microplastics in both freshwater and marine fish populations across India, where approximately 26,000 tons of plastic waste is produced daily. Researchers found that microplastic-contaminated fish often exhibit behavioral changes including hyperactivity and altered feeding patterns, along with oxidative stress, organ damage, and metabolic disruption. The study highlights concerns about human dietary exposure, since fish is a major protein source in India.
Effects of pollution on freshwater aquatic organisms
This annual review of scientific literature covers 2018 research on the effects of various pollutants on freshwater aquatic organisms, including microplastics, pesticides, pharmaceuticals, and heavy metals. The review highlights the growing body of evidence that multiple freshwater pollutants impair the health, reproduction, and behavior of aquatic species.
Chronic Toxicity of Microplastics on Fish (Labeo rohita) and Their Impact on the Freshwater Ecosystem: A Case Study of Gangasagar Pond, Darbhanga, India
Researchers investigated microplastic contamination in Gangasagar Pond in India, finding fibers as the most common type, primarily from domestic waste and discarded packaging. Fish in the pond showed microplastics lodged in their gill chambers and mouths, and tissue analysis revealed damage to the stomach and intestines. The study suggests that microplastic pollution in freshwater ecosystems can directly harm fish health through ingestion and physical contact.
Assessment and accumulation of microplastics in the Indian riverine systems: Risk assessment and implications of translocation across the water-to-fish continuum
This review assessed microplastic pollution across Indian rivers and the fish that live in them, finding widespread contamination in both water and fish tissues. Microplastics were found to transfer from river water into fish organs including gills, gut, liver, and muscle tissue that people eat. Since Indian rivers support the livelihoods and food supply of hundreds of millions of people, this contamination pathway is a significant concern for human dietary exposure to microplastics.
Tracing microplastics in marine fish: Ecological threats and human exposure in the Bay of Bengal
Researchers analyzed microplastics in nine fish species from the Bay of Bengal, finding an average of about 33 microplastic items per fish, mostly fibers. Bottom-dwelling and meat-eating fish had higher contamination levels, and the pollution was linked to untreated industrial and municipal waste. The study raises concerns about human health exposure through seafood consumption in a region where millions of people depend on fishing for food and livelihood.
Microplastic exposure causes organ damage in Puntius sophore
Researchers sampled a freshwater ecosystem in Tamil Nadu, India, and exposed the local fish Puntius sophore to collected microplastics at sub-lethal concentrations, then assessed organ damage. Microplastic exposure caused histological damage in gills, liver, and kidney of this freshwater sentinel species, with oxidative stress biomarkers elevated in all three organs.
Global meta‐analysis reveals diverse effects of microplastics on freshwater and marine fishes
This systematic review and meta-analysis examines the effects of microplastics on fish in both freshwater and ocean environments. The findings show that microplastics reduce feeding, impair digestion, slow growth, and weaken immune function in fish, which is concerning because contaminated fish are a major food source for people worldwide.
Jeopardy of Indian Waters: A Review
This review covers the major threats to water quality in India, including microplastic pollution from plastic debris that weathers and enters rivers and coastal waters. Microplastics adsorb heavy metals and pathogens, causing mortality in fish and posing risks through the food chain to human consumers of seafood.
Occurrence of plastics and their characterization in wild caught fish species (Labeo rohita, Wallago attu and Mystus tengara) of River Ganga (India) compared to a commercially cultured species (L. rohita)
Researchers analyzed nine wild-caught fish species from two sites along the River Ganga in Patna, India, detecting plastics in gastrointestinal tracts, liver, gills, and muscles, providing rare data on plastic contamination in one of the world's most polluted rivers.
Microplastics pollution: An emerging threat to freshwater aquatic ecosystem of India
This review examined microplastic pollution as an emerging threat to freshwater aquatic ecosystems in India, discussing sources, distribution, ecotoxicological effects on aquatic biota, and potential human health hazards. The authors highlighted that while marine microplastic research is extensive, freshwater ecosystems in India remain critically understudied relative to the scale of contamination.