Purple Tang

Captive-Bred Purple Tang (Zebrasoma xanthurum) is one of the most striking tangs available for reef aquariums, prized for its rich violet-blue body, fine darker patterning, and bright yellow tail. This species is active, constantly grazing, and highly visible in the display, making it a standout choice for larger reef systems.

This is a captive-bred specimen from QM Labs. Captive-bred Purple Tangs are a meaningful alternative to wild fish because they are typically better adjusted to aquarium life and are less likely to arrive with the parasite pressure often associated with wild-collected tangs. For many reefkeepers, that makes captive-bred Purple Tangs the more practical and confidence-inspiring choice.

Why Aquarists Choose Purple Tangs

• Bold purple-blue coloration with strong contrast from the yellow tail
• Active daytime swimmer that stays visible in the aquarium
• Reef-safe herbivorous grazing behavior
• Captive-bred origin offers an important advantage for long-term success

Tank Size And Temperament

Purple Tangs need swimming room, strong water quality, and a mature environment with established rockwork for grazing and retreat. A 100-gallon aquarium is the minimum recommended size, with larger systems offering a better long-term fit for adult fish.

This is a semi-aggressive tang. Purple Tangs are often bold and confident, and they may intimidate passive tankmates. They can also become territorial toward other tangs, especially other Zebrasoma species with a similar body shape. In most aquariums, they are best kept as the only tang unless the system is large, thoughtfully stocked, and managed with tang compatibility in mind.

Feeding And Grazing

Purple Tangs are herbivorous grazers and should be offered frequent plant-based foods alongside a varied prepared diet. Ongoing access to algae-based foods helps support body condition, digestive health, and natural feeding behavior.

• Offer dried algae regularly as a staple food
• Supplement with high-quality pellets and frozen foods
• Provide mature rockwork with natural grazing opportunities
• Feed consistently to help reduce stress and food-related aggression

We recommend pairing this fish with New Dawn Nori Sheets as a staple grazing food. These fish are also listed as eating 1mm PE Pellets, which can be a useful part of a varied feeding routine.

Placement In A Reef Aquarium

Purple Tangs are reef-safe and well suited to larger reef displays where they can cruise open areas and return to rockwork throughout the day. Because they are active and assertive, they are usually a better fit for aquariums with similarly confident tankmates rather than very shy or easily stressed fish.

Before You Order

This fish is best for aquarists prepared to provide space, steady herbivore feeding, and careful compatibility planning. If you are ordering livestock for shipment, please review our shipping information and Arrive Alive Guarantee before checkout.