Can I keep a Sohal Tang with other tangs?

It is highly inadvisable unless the aquarium is hundreds of gallons in volume. The Sohal Tang is notoriously intolerant of other surgeonfish, especially those with similar body shapes or dietary habits.

Why is my Sohal Tang pacing the aquarium glass constantly?

Glass pacing is a classic sign of stress, often caused by inadequate swimming space or feeling threatened. Given their energetic nature, they require a very long tank to swim freely without feeling confined.

Is the Sohal Tang reef safe?

Yes, they are considered completely reef-safe as they will ignore corals and sessile invertebrates. However, their aggressive nature can severely limit the types of smaller fish you can keep in the same reef tank.

What should I feed my Sohal Tang to prevent HLLE?

To prevent Head and Lateral Line Erosion, provide a varied diet heavily focused on marine vegetation. Offer dried nori, spirulina, and high-quality herbivore pellets daily, and consider soaking their food in vitamin supplements.

Should the Sohal Tang be added to the tank first or last?

The Sohal Tang should absolutely be the last fish introduced to the aquarium. Allowing other fish to establish their territories first gives them a better chance of coping with the tang's immense aggression upon arrival.

MarineMarineAdvanced

Sohal Tang

Acanthurus sohal

The Sohal Tang is a spectacularly patterned, highly energetic, and fiercely territorial surgeonfish, suited only to vast marine aquariums managed by advanced hobbyists.

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Ideal Conditions

Temperature: 24 – 28 °C
pH range: 8.1 – 8.4
Hardness: 8 – 12 dGH
Salinity: 1.02 – 1.025 SG
Adult size: 35 – 40 cm
Minimum 950 litres for an adult due to extreme swimming speed and large adult size.: 950 litres+
Lifespan: 10 – 15 years
Diet: Primarily herbivorous; requires large amounts of marine algae, nori, and spirulina, supplemented with high-quality meaty foods.
Water flow: High to very high, replicating the strong surge zones of their natural reef edge habitat.
Preferred setup: Vast open swimming space is paramount, with substantial live rock for grazing and retreating.

About the Sohal Tang

Renowned for its striking horizontal black and white striping and the fiery orange scalpel on its tail, the Sohal Tang is one of the most visually stunning surgeonfish in the marine hobby. However, its beauty is matched by an incredibly dominant personality. They are the undeniable kings of their tank, requiring a colossal amount of swimming space to accommodate both their size and their rapid, pacing swim style.

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Is it right for your tank?

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Where Sohal Tang comes from

Native range

Red Sea, Persian Gulf, Arabian Sea

Countries / regions

Egypt, Saudi Arabia, Oman, Yemen, Israel

Habitat

Shallow, surge-swept seaward edges of reefs and exposed reef flats.

Primarily endemic to the Red Sea and surrounding Arabian waters, where it is a dominant herbivore.

Similar species

Clown Tang
Acanthurus lineatus
Achilles Tang
Acanthurus achilles
Powder Blue Tang
Acanthurus leucosternon
Vlamingi Tang
Naso vlamingii

We’re adding more full species guides as the catalogue grows.

Compatible tank mates

Reviewed guidance based on this species' recorded traits.

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Emperor Angelfish
Pomacanthus imperator
A robust, large fish that occupies a different ecological niche and can hold its own against the tang's boisterous nature.
Great
Harlequin Tuskfish
Choerodon fasciatus
Durable and adequately sized; their differing body shape and diet reduce territorial conflicts with the Sohal Tang.
Great
Niger Triggerfish
Odonus niger
Can be a suitable match in a very large tank, but both species have strong personalities and must be monitored for aggression.
Compatible with caution
Clown Tang
Acanthurus lineatus
Too closely related with identical habitat requirements and extreme territoriality; keeping them together almost guarantees lethal fighting.
Not recommended
Firefish
Nemateleotris magnifica
Small, peaceful, and easily intimidated; they will likely hide and starve in the presence of such an aggressive, fast-moving giant.
Not recommended

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