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Fig. 5 Figure 5. Water cortisol concentrations throughout the exposure period in tanks holding zebrafish at densities of 1 (n = 5), 4 (n = 3), 8 (n = 3), 12 (n = 3), or 16 (n = 3) fish/L, respectively. The graph shows cortisol levels per fish in each tank. Data are shown as mean ± standard error of the mean (SEM). Statistical significance between groups is presented as * p < 0.05.
                
                    
                        Acknowledgments
                    
                    
                
                
            
        
        
    
        
            
            
                
                    
                        
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      Full text @ Biology (Basel)
                    
                    
                
            
        
        
    
    
     
        