Planktivores, such as anthias, require numerous feedings every dayThe occasional loss of fish is an unavoidable reality of marine aquarium keeping. Fish have a finite lifespan, and some are destined to pass away in captivity, even when they’re provided the best possible environment and care. But more often than many hobbyists care to admit, specimens die not because their proverbial number was really up (after all, some species can live for decades in captivity), but because some vital aspect of their long-term husbandry needs was overlooked. Chief among the causes of these avoidable deaths are nutritional deficiencies that cause fish to gradually starve—often over a period of many months or even several years—despite the fact that they’re apparently eating what’s offered. Because these deaths often seem to have no readily identifiable cause, they’re often dismissed as anomalous losses that are beyond the hobbyist’s control. What causes these dietary deficiencies? Here are five common pitfalls to watch out for: #1 Overemphasizing one food type It’s easy to fall into the habit of providing just one food item much of the time because it’s convenient and/or all the fish in the tank will readily eat it. However, no single food can satisfy all the nutritional needs of any fish species More: 5 Factors Leading to Long-Term Dietary Deficiencies in Marine Aquarium Fish
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