What external parasite is noted to often appear on Yellow Tangs stressed by poor captive conditions?
Answer
Ich
Long-term health maintenance for captive Yellow Tangs hinges on environmental stability, as they are sensitive to sudden fluctuations in water chemistry. When subjected to stress caused by suboptimal or unstable marine parameters—such as inconsistent temperature or salinity—the fish become vulnerable to opportunistic external pathogens. One specific external parasite frequently observed under these stressful conditions is Ich. Successful captive care emphasizes maintaining high-quality, stable water parameters not only for general well-being but specifically to prevent the outbreaks of such common, stress-induced illnesses.

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