While such substitutions are often nutritionally adequate on a short-term basis, or for intermittent feedings, a diversity of marine foods provides the optimal nutrition necessary to maintain immune system function, coloration, and growth in captivity. | While such substitutions are often nutritionally adequate on a short-term basis, or for intermittent feedings, a diversity of marine foods provides the optimal nutrition necessary to maintain immune system function, coloration, and growth in captivity. |