Physiological and Transcriptional Effects of Polyethylene Microplastics Exposure on Yellowfin Seabream (Acanthopagrus Latus) Larvae in the Aquatic Environment

Microplastics in Juvenile Commercial Fish from an Estuarine Environment

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Juvenile commercial fish from an estuarine environment were found to have ingested microplastics, demonstrating that plastic contamination affects fish at early life stages in transitional coastal ecosystems rather than only in open ocean habitats. Since estuaries serve as nurseries for many commercially important species, microplastic ingestion by juveniles threatens both fish population health and the safety of seafood reaching consumers.

Transcriptome Analysis of Soiny Mullet Larvae Challenge with Polystyrene Microplastics

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Researchers analyzed gene activity in fish larvae exposed to polystyrene microplastics and found that even short-term exposure disrupted immune-related pathways and promoted cell death, suggesting microplastics may compromise fish immune systems in ways that could have broader implications for aquatic food webs.

Physiological Alterations and Immune Modulation in Fish Exposed to Microplastics

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Researchers reviewed the physiological and immunological effects of microplastic exposure in fish, finding that these particles smaller than 5 mm induce a range of biological disruptions including immune modulation, oxidative stress, and systemic health impacts with broader implications for aquatic ecosystem integrity.

Polyethylene Microplastics Induce Concentration- and Time-Dependent Hematophysiological Impairment and Oxidative Stress Following Tissue Accumulation in Rock Bream (Oplegnathus Fasciatus)

Acute Effects of Size Dependent Low-Density Polyethylene Microplastics on Zebrafish

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Zebrafish embryos exposed to low-density polyethylene microplastics for 48 hours accumulated particles in their gut, experienced reduced hatching rates, increased heart rates, and significant tissue damage, with smaller particles causing the most harm. These acute effects in a widely used model organism suggest that even brief early-life exposure to plastic particles can disrupt normal development.