, an economically important, cold-water fish species, has rich nutritional value and high economic value. With the increase in artificial breeding and breeding intensification, the germplasm resources of have been degraded, which is revealed in individual miniaturization, slow growth, and decreased disease resistance. Therefore, it is necessary to screen the molecular markers of growth traits and use molecular-marker-assisted breeding. In order to acquire some reliable molecular genetic markers for growth-related traits, the correlation analysis of 26 SNP markers and growth-related traits in were analyzed using 114 samples with the same growth conditions. A principal component analysis showed that body weight accounted for 93.42% of the variance, the eigenvalue was greater than 1 and the accumulative variance ratio was more than 85%, and it was the first principal component of the growth traits of . Correlation analysis between genotypes of SNPs and growth traits indicated that <0.05), and showed a significant influence on total length and body length (ug25050-0-1678 and body weight, body height, total length, and body length ( and the body weight, body height, and body length were significantly associated (<0.01). We also estimated that the genetic diversity parameters for 4 loci were significantly correlated with the growth traits. The mean observed heterozygosity, expected heterozygosity, and polymorphism information content (PIC) were 0.2369, 0.2110 and 0.17 respectively. The polymorphism of ug25050-0-1678 and were significantly associated with growth traits, and could be used as important candidate molecular markers for breeding selection of . Our results could provide an effective basis for the study of genetic improvement and selective breeding in