Scopas Tang: An Essential Algae Grazer
The Scopas Tang (Zebrasoma scopas), also known as the Brown Tang, is a popular and beneficial species that adds an essential function to any large marine aquarium. Its distinctive, oval-shaped body is a consistent brown or dark brown color, with a long, pointed snout that it uses to graze on algae. This fish is renowned for its active grazing behavior, which helps to keep the tank clean and control algae growth. The Scopas Tang is generally peaceful with other species but can be territorial towards other tangs, so it is best kept with dissimilar-looking tank mates.
Why the Scopas Tang is a Great Choice:
- Natural Algae Control: Its voracious appetite helps maintain clean tank surfaces by efficiently grazing on algae.
- Active and Engaging Behavior: The fish displays constant movement and feeding activity, adding visual interest to the aquarium.
- Peaceful with Compatible Species: When housed with non-tang fish that have different appearances, it coexists well without aggression.
| Specification | Value |
|---|---|
| Scientific Name | Zebrasoma scopas |
| Common Name | Scopas Tang / Brown Tang |
| Size (Adult) | 12-15 inches |
| Lifespan | 10-15 years |
| Water Temperature | 75-82°F |
| Water pH | 8.1-8.4 |
| Compatibility | Best with non-tang species; avoid other tangs |
FAQ
What kind of tank setup is best for a Scopas Tang?
A large marine aquarium with strong water flow and ample surface area for algae growth is ideal. The tank should have stable water parameters and include live rock for natural hiding spots and grazing areas.
Is the Scopas Tang aggressive toward other fish?
It is generally peaceful but can become territorial with other tangs. It is best kept with fish that have different appearances and behaviors to avoid conflicts.
How often should I feed a Scopas Tang?
Feed once or twice daily with a variety of algae-based foods, such as spirulina or algae wafers. Offer small amounts to prevent overfeeding.


Katherine Metcalfe –
The Scopas Tang has been a game-changer in my 120-gallon reef tank. It constantly grazes on algae on the glass and rock, reducing the need for frequent manual cleaning. It’s active and adds a lot of visual appeal. I keep it with a clownfish and a gobies, and there’s no aggression. Very satisfied with the purchase.
Andrew Lambert –
I bought this fish to help control algae, and it has done a great job. It’s not shy and spends most of its time moving around the tank. I noticed it’s more active in the morning. I do have to be careful with other tangs, but with the right tank mates, it’s a solid addition.
Alison Ogden –
After adding the Scopas Tang, my tank looks much cleaner. It’s a hardworking grazer and doesn’t seem to get bored. The fish is healthy and active, and it’s easy to spot in the tank. I recommend it for anyone looking to reduce algae buildup.