Description
Aquarium Requirements:
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Tank Size: 250–300+ gallons (950–1,135+ liters)
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Water Parameters:
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Temperature: 74–80°F (23–27°C)
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pH: 8.1–8.4
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Salinity: 1.020–1.025
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Water Flow: Moderate to strong
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Size & Lifespan:
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Adult Size: Up to 24 inches (60 cm)
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Lifespan: 15–20 years with proper care
Behavior & Tank Mates:
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Peaceful, good for large community reef tanks
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Compatible with:
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Clownfish, angelfish, wrasses, butterflyfish, gobies, other tangs
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Best housed in systems with plenty of open swimming space
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Reef-safe – does not bother corals
Diet & Feeding:
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Primarily herbivorous, but accepts mixed diets
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Feed 2–3 times daily:
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Nori or seaweed sheets
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Spirulina flakes/pellets
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Frozen herbivore blends
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Occasionally mysis or brine shrimp
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Additional Care Notes:
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Requires open swimming areas and strong filtration
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Needs live rock for grazing and hiding
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Rarely seen with a pronounced “horn” despite being a unicornfish
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Best kept by experienced aquarists with large marine systems
