In greater amberjack, KEGG analysis indicated that the genes complement component 3 (c3), complement factor B (cfb) and fibrinogen gamma chain (fgg) were predominantly enriched in the complement and coagulation cascades, coronavirus disease-COVID-19, neutrophil extracellular trap formation, and staphylococcus aureus infection pathway. This evidence concerns the gene C3 and staphylococcus aureus infection.