Fish often avoid intense stimuli, but scientists and animal welfare groups have long debated whether fish can feel pain. So is there an answer? Animal rights organization PETA claims on its ...

One of the duplicate samples was used for estradiol analysis and the other for testosterone. The concentrations of estradiol and testosterone in serum were determined by using fish-specific ...

GraphPad Prism 8.0.1 (GraphPad Software Inc., San Diego, CA,USA) or Excel (Microsoft, Redmond, WA,USA) were used to draw diagrams. Values were considered significant at P<0.05. To further analyze the ...