Sana Ullah received his M.Phil. in Zoology from Quaid-i-Azam University, Pakistan, in 2015, and his Ph.D. in Biology (Zoology) from the very prestigious Nanjing University, China, in 2019. He was declared an outstanding/distinguished foreign graduate (2019) at NJU. In 2020, he joined the University of Education, Lahore, as an Assistant Professor of Zoology. His research interests mainly include aquatic toxicology, ecotoxicology of environmental pollutants, chemical risk assessment using fish as a model organism, environmental health and safety, public health and safety, and fisheries and aquaculture.