Clarias batrachus, a freshwater Indian air breathing catfish is one of the important fish species. It is treated as a typical example to deal with the alimentary canal of a teleost and a test animal in many laboratories of Indian Universities . However, the effect of silicon dioxide nanoparticles on Indian Air-breathing fishes is lacking. Therefore, the present work was designed to evaluate the median lethal dose of silicon dioxide nanoparticles on Clarias batrachus. The work will help in deciding the toxicity level of silicon dioxide nanoparticles for the higher yield of this fish. Nanotechnology an advanced tool to synthesis atomic level particles. Increased application of silicon dioxide nanoparticles results in the bioaccumulation of these particles in the environment. The fate and effect of nanomaterials in the environment has raised concern about their environmental risk to aquatic organisms. Silica nanoparticles (SiO2-NPs) find its uses in various fields and are inevitably released into the environment. However, the ecotoxicological effects of SiO2-NPs on the freshwater fish remain poorly understood.
clarias, batrachus, silicon dioxide, nanoparticles, bioaccumulation, toxicity
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