Purple Tang - Zebrasoma xanthurum
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The Purple Tang (Zebrasoma xanthurum) is a striking and vibrant marine tang, known for its deep purple body, yellow tail, and graceful swimming behavior. This semi-aggressive species adds bold color and dynamic movement to larger reef aquariums.
Common Name: Purple Tang
Scientific Name: Zebrasoma xanthurum
Family: Acanthuridae
Size: Up to 10 inches (25 cm)
Temperament: Semi-aggressive
Difficulty: Moderate
Reef Safe: Yes
Native Region: Found throughout the northwestern Indian Ocean, including the Red Sea, Gulf of Aden, and Arabian Sea, typically inhabiting coral reef slopes.
Tank Size: Minimum of 100 gallons
Temperature: 74–80°F (23–27°C)
pH: 8.0–8.4
Salinity: 1.023–1.025
Substrate: Open swimming areas with live rock for grazing; ensure plenty of space to minimize territorial aggression.
• Diet: Herbivorous—feeds on algae and seaweed; supplement with marine algae sheets and high-quality herbivore foods.
• Behavior: Semi-aggressive; may establish territory and show dominance toward other tangs.
• Compatibility: Best kept with other robust or peaceful fish; avoid keeping with overly aggressive species.
• Reef Consideration: Generally reef safe; may graze lightly on algae-covered rocks and surfaces.