


Gem Tang — Zebrasoma gemmatum
Care at a glance
- Care level
- Moderate
- Temperament
- Can be territorial toward tangs
- Reef compatibility
- Generally compatible
- Adult size
- 9 in
- Recommended tank
- 125+ US gal
- Origin
- Ask about the current lot
- Diet
- Algae grazer
- Suggested foods
- Nori, marine algae and varied marine foods
Pale spots stand out against a dark body and a yellow tail. Provide established rockwork for grazing and shelter. Zebrasoma gemmatum is an active marine surgeonfish that benefits from a mature aquarium with open swimming space and rockwork for shelter.
Detailed care
- Adult size: Up to about 9 in.
- Recommended adult aquarium: 125+ US gallons.
- Reef compatibility: Generally suitable with corals and invertebrates. Can be territorial toward other tangs.
- Feeding: Offer marine algae or nori regularly, alongside a varied diet of quality marine foods.
François Neo’s advice
Plan the introduction around your existing tangs, with room to retreat and more than one grazing station. I recommend quarantining new arrivals and checking that they feed reliably before moving them into the display.
S, M and L refer to purchase size. Contact us for current batch measurements and origin. The image is representative of the species.
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Photo by zsispeo under CC BY-SA 2.0.
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