Keywords: فین کوتاه; DOPAC; 3,4-dihydroxyphenylacetic acid; 5-HIAA; 5-hydroxyindoleacetic acid; HPLC; high precision liquid chromatography; PCA; principal component analysis; ANOVA; analysis of variance; HSD; Honestly Significant Difference; D1-R; D1 receptor; SF; short fin;