Skin coloration is a distinctive phenotype and an economically important trait in ornamental fish. Understanding its regulatory mechanisms is crucial for both aquaculture and selective breeding. In this study, we cloned and analysed the full‐length complementary DNA (cDNA) sequences of four key pigmentation‐related genes— mitf , mc1r , tyr and sox10 —in the black‐tailed angelfish ( Centropyge vrolikii ). We established the fin...