Suggested Tank
180+ gallons
Max Size
8.7 inches
Difficulty
Temperament
Description
A deep-bodied, disc-shaped Zebrasoma with a jet-black body covered in a galaxy of bright white spots, a yellow caudal fin and yellow accents on the pectoral fins. Active and constantly grazing, it is generally peaceful with unrelated tankmates but territorial toward other tangs and similarly shaped fish, so it is best kept as the only Zebrasoma unless the system is very large. Give it a mature tank with lots of open swimming length, brisk flow, live rock for grazing, and daily nori or algae sheets; like all tangs it is ich-prone, so quarantine and stable water quality are essential.
Reef Safe
Yes
Environment
The Gem Tang prefers a well-lit aquarium with plenty of hiding spots. It thrives in a tank with a strong current and high-quality filtration to mimic its natural ocean habitat.
Behavior
This fish is generally peaceful but can be territorial with other tangs and surgeonfish. It's a highly active swimmer and requires plenty of open space.
Information might not be complete or accurate. Help the community by suggesting corrections.
Owner Reviews
Mike
@rebel.reef
Well behaved for a Tang! A beautiful fish. Worth the money for something you don’t see every day.
Joe Willis
@JoeWillis705
My specimen only eats nori sheets. It was shy at first, only hiding behind rockwork. Over time it started coming out and is now frequently seen slowly swimming across the front of my tank. An absolutely beautiful fish
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Gem Tang
Zebrasoma gemmatum
