Acanthurus blochii (Ring Tail) Tang
Reef compatible: Yes
Care level: Beginner
Disposition: Semi-aggressive
Minimum tank size: 100 gallons
Mature size: 18 inches
Specifications
| Feature | Value |
|---|---|
| Species | Acanthurus blochii |
| Size (Tang) | M (3″ to 4″) |
| Reef Compatibility | Yes |
| Difficulty Level | Beginner |
| Adult Size | 18 inches |
FAQ
Is the Ring Tail Tang suitable for a beginner reef tank?
Yes, Acanthurus blochii is considered beginner-friendly due to its manageable care requirements and compatibility with reef environments.
What is the minimum tank size required for this fish?
A minimum tank size of 100 gallons is recommended to ensure proper space and stability for the fish.
How aggressive is the Ring Tail Tang in a community tank?
The fish is semi-aggressive and may display territorial behavior, especially during feeding or when establishing dominance.


Wendy Sutherland –
Bought this Ring Tail Tang for my 100-gallon reef tank. It’s active and colorful, and has adapted well to the environment. Easy to care for and doesn’t cause much stress to other fish. Great addition to a beginner reef setup.
Michael Vaughan –
The fish is vibrant and stays active throughout the day. It’s not overly aggressive, and I’ve noticed it doesn’t eat much from the surface. Good for a beginner with a stable reef system.
Faith Morgan –
Installed the Acanthurus blochii in my tank a few months ago. It’s grown steadily and now swims confidently among the corals. The size is within the expected range, and it’s a pleasant sight.