Common name: Scopas Tang

Scientific name: Zebrasoma scopas (Cuvier, 1829)

General Information

The Scopas Tang, known scientifically as Zebrasoma scopas, is a popular choice among saltwater aquarium enthusiasts. This species, often referred to as the Brown Tang or Twotone Tang, is appreciated for its hardiness and adaptability, making it a suitable addition for both novice and experienced aquarists. Its unique coloration, ranging from dark brown to a lighter yellowish hue towards the tail, provides a subtle yet captivating presence in the aquarium.

Rare color morphs in Zebrasoma scopas can significantly increase their price due to their uniqueness and scarcity. These morphs, such as koi, yellow, albino, or hybrid variants, deviate from the typical brown coloration, making them highly sought after by collectors and enthusiasts in the aquarium trade. Since these color variations occur infrequently, the demand for them is much higher than supply, driving up their market value considerably. Rare specimens can sell for several times the price of the common color morphs.

Scopas Tangs are native to the Indo-Pacific region, including the reefs of Indonesia, the Philippines, and the Great Barrier Reef. They play a crucial role in their natural habitat by grazing on algae, which helps maintain the ecological balance of coral reefs.

Details

Estimated price
Moderate Rare color morphs can be very expensive
Recommended minimum tank volume
300 liter (79 gallons)
Salinity
S.G. 1.023 to 1.026
Temperature
24 to 28 °C (75 to 82 °F)
Acidity
pH 8 to 8.4
Average size
20 cm (8″)
Care level
Moderate to easy Hardy and adaptable, suitable for novice aquarists
Diet
Herbivore Primarily feeds on marine algae and seaweed
Social
Solo Best kept solo due to territorial behavior towards similar species
Reefsafe
Yes
Aggression
Semi aggresive Territorial towards other tangs and similar fish
Captive bred
Yes Commercially bred, increasing availability in the hobby
IUCN Red List
EX
EW
CR
EN
VU
NT
LC

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Surgeonfish
    Acanthuridae
  6. Genus
    Sailfin Tang
    Zebrasoma
  7. Species
    Scopas Tang
    Zebrasoma scopas (Cuvier, 1829)
  8. Synonyms
    Acanthurus altivelis Valenciennes, 1835
    Acanthurus ruppelii Bennett, 1836
    Acanthurus scopas Cuvier, 1829
    Acanthurus suillus Cuvier, 1829
    Zebrasoma scopes (Cuvier, 1829)
    Zebrasoma scopoas (Cuvier, 1829)
    Zebrasoma supraalba Fowler, 1946
  9. Source: GBIF | Global Biodiversity Information Facility

Care

Scopas Tangs require a well-established aquarium with plenty of live rock to graze on. They are best kept in tanks that are at least 300 liters (approximately 75 gallons) to provide ample swimming space. These tangs thrive in environments that mimic their natural reef habitats, with stable water conditions and plenty of hiding spots.

Due to their herbivorous nature, Scopas Tangs should be fed a diet rich in marine algae, spirulina, and seaweed. Supplementing their diet with high-quality pellets and occasional meaty foods can help maintain their health and vibrant coloration.

Diet and Feeding

In the wild, Scopas Tangs primarily feed on algae, which helps control algae growth on reefs. In captivity, their diet should consist mainly of marine-based algae and seaweed. Offer them a variety of foods, including spirulina, nori, and algae-based pellets, to ensure balanced nutrition.

Feed Scopas Tangs two to three times a day, providing only as much food as they can consume in a few minutes. This feeding schedule helps mimic their natural grazing behavior and supports their digestive health.

Behavior and Compatibility

Scopas Tangs are generally peaceful but can exhibit territorial behavior, especially towards other tangs or similarly shaped fish. It is advisable to house them with other peaceful species and avoid keeping them with more aggressive tank mates.

These tangs are known for their active swimming and grazing habits, making them a lively addition to community aquariums. They are compatible with a variety of reef-safe fish and invertebrates, but caution should be taken when introducing new tangs to the tank.

Health and Common Issues

Scopas Tangs are hardy fish but can be susceptible to common marine diseases such as ich and marine velvet. Maintaining high water quality and a stress-free environment is crucial for their well-being.

When selecting a Scopas Tang, look for healthy individuals with clear eyes, smooth skin, and active behavior. Regular monitoring and a varied diet can help prevent health issues and ensure a long, healthy life in captivity.

Habitat

The Zebrasoma scopas is native to the Indo-Pacific region. It inhabits a range of coral reef environments, typically found in shallow waters from depths of 1 to 60 meters. These fish prefer areas with abundant coral growth and rocky outcroppings, where they can forage for algae. They are often seen in lagoons and outer reef slopes, grazing on algae attached to rocks and corals.

Scopas tangs are particularly adaptable and can be found in both turbulent waters near reef crests and more sheltered lagoon environments. Their ability to thrive in a wide variety of conditions has made them a common sight across a broad geographic range, extending from the Indian Ocean to the central Pacific.

Their natural habitat plays a crucial role in their diet and behavior, as they constantly graze on algae, helping maintain the balance of reef ecosystems by preventing algae overgrowth