What staple dried seaweed is recommended for *Zebrasoma flavescens*, and what nutrient should it ideally be enriched with?
Answer
Dried seaweed, specifically Nori, fortified or enriched with Spirulina
The cornerstone of captive nutrition for the Yellow Tang must be marine algae, with dried seaweed known as Nori being the most commonly recommended staple food item. However, merely providing standard Nori is often insufficient for long-term health. It is critical that this dried algae be fortified or enriched with Spirulina, which is a nutrient-dense blue-green algae that provides a broader spectrum of essential vitamins and minerals necessary for optimal health in this herbivorous species. Many commercially available marine algae sheets are now pre-fortified to meet this specific dietary requirement.

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