Effect of dietary supplementation with Suaeda maritima on blood physiology, innate immune response, and disease resistance in olive flounder against Miamiensis avidus

► RBC significantly increased with 0.1% and 1.0% enriched diets on week 4. ► Hb and Ht levels increased when with 0.1% and 1.0% diets on weeks 2 and 4. ► Lym, Mon, Neu, TP, GLU, and CAL levels increased in 0.1% and 1.0% diets on weeks 2 and 4. ► Lysozyme activity enhanced in 0.1% and 1.0% diets from weeks 1 to 4. ► Scuticocidal and respiratory burst activities enhanced in 0.1% and 1.0% diets on weeks 2 and 4.