Description
The Spotted Unicorn Tang is a striking, large-bodied herbivore recognized by its soft blue-gray color and small dark spots along the head and body. As it matures, it develops a signature “unicorn†bump on the forehead, adding unique character to any saltwater display. Native to the Indo-Pacific, this tang needs ample space to swim and graze on algae.
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Size range: Small (2–3") to Extra Large (6"+)
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Minimum tank size: 200 gallons
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Semi-aggressive—may show territorial behavior with other tangs
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Reef safe – compatible with corals and invertebrates
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Herbivore – thrives on marine algae, seaweed sheets, and spirulina
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Best kept in large tanks with rockwork and open swimming areas
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Requires high water quality and strong filtration
Ideal for advanced hobbyists with large marine aquariums. The Spotted Unicorn Tang adds bold size, active behavior, and functional algae control to reef and fish-only systems. A standout choice for big tanks needing a showpiece fish.