The purpose of this study is to assess the feasibility of astaxanthin-rich Oedocladium carolinianum as an immunostimulant in the diet for Trachinotus ovatus. Three experimental diets containing 0% (OC0). 1% (OC1). and 5% (OC5) O. https://poolsproductscanadas.shop/product-category/zodiac-nature2-fusion-soft-parts/