One of the greatest challenges in the ornamental fish industry is to replicate the accurate natural color of the
fish in the captive environment. Numerous operations that have been propagated, failed to successfully market
fish due to faded color. Various products have been introduced to alleviate this problem, but none has performed
so effectively and consistently as carotenoid pigment. Varieties of carotenoids pigments are used in fish diet for
color enhancement. The most promising carotenoids proved to be successful in enhancing color is astaxanthin
that shows marked improvement in color on most species of brig