Is the Scopas Tang reef safe?

Yes, it is considered completely reef safe. It will spend its days picking algae off the live rock without bothering corals or ornamental invertebrates.

Will a Scopas Tang eat hair algae?

Yes, they are exceptionally good grazers and will eagerly consume many types of nuisance algae, including green hair algae.

Can I keep a Scopas Tang and a Yellow Tang together?

It is generally not recommended unless you have an exceptionally large aquarium (over 700 litres) and introduce them simultaneously. Because they belong to the same genus and have identical body shapes, territorial disputes are highly likely.

Why is my Scopas Tang losing its colour?

Colour loss in tangs is often an indicator of poor nutrition or stress. Ensure they are receiving plenty of marine algae (such as nori) and check your water parameters, as they can also develop Head and Lateral Line Erosion (HLLE) in substandard conditions.

Do I need to feed my tang every day if I have algae in the tank?

Yes. While grazing on live rock supplements their diet, natural tank algae is rarely sufficient long-term. You should provide dried nori or algae-based pellets daily to keep them well-fed and healthy.

MarineMarineIntermediate

Scopas Tang

Zebrasoma scopas

The Scopas Tang is an active, hardy, and highly effective algae-grazing surgeonfish famed for its subtle gradient colouration.

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Ideal Conditions

Temperature: 23 – 27 °C
pH range: 8.1 – 8.4
Hardness: 8 – 12 dGH
Salinity: 1.02 – 1.025 SG
Adult size: 15 – 25 cm
350L (minimum for adults): 350 litres+
Lifespan: 10 – 20 years
Diet: Herbivore
Water flow: High
Preferred setup: Ample swimming space with substantial live rock for grazing and hiding.

About the Scopas Tang

Often overshadowed by its brightly coloured cousins like the Yellow Tang, the Scopas Tang is an incredibly rewarding marine fish in its own right. It boasts a beautiful two-tone gradient, shifting seamlessly from a yellowish-brown at the snout to a dark, almost charcoal-brown at the tail, overlaid with a delicate pattern of fine spots and lines. As a member of the Zebrasoma genus, it shares the iconic disc-like body shape and prominent, sail-like fins that make these fish so captivating to watch in a reef environment.

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Is it right for your tank?

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Where Scopas Tang comes from

Native range

Indo-Pacific, Oceania, East Africa

Countries / regions

Australia, Fiji, Indonesia, Maldives, Japan

Habitat

Lagoon and seaward reefs rich in coral and algae growth, typically from depths of 1 to 60 metres.

Widespread across the entire Indo-Pacific region, making it one of the most broadly distributed tang species.

Similar species

Yellow Tang
Zebrasoma flavescens
Sailfin Tang
Zebrasoma veliferum
Purple Tang
Zebrasoma xanthurum
Kole Tang
Ctenochaetus strigosus

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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Ocellaris Clownfish
Amphiprion ocellaris
Peaceful, occupies a different ecological niche and will not compete for grazing territory.
Great
Skunk Cleaner Shrimp
Lysmata amboinensis
Provides valuable cleaning services which the tang will readily accept to keep parasites at bay.
Great
Coral Beauty Angelfish
Centropyge bispinosa
Both are active grazers. They can usually coexist in sufficiently large tanks but may occasionally squabble over territory.
Compatible with caution
Yellow Tang
Zebrasoma flavescens
Conspecific aggression is extremely high between Zebrasoma species; keeping them together requires a very large system and careful introduction.
Not recommended
Common Seahorse
Hippocampus kuda
Tangs are far too active and voracious at feeding time, which will easily outcompete and stress slow-moving seahorses.
Not recommended

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