Rainbow Wrasse

Thalassoma quinquevittatum


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Rainbow Wrasse
The Rainbow Wrasse, scientifically known as Halichoeres hortulanus, displays vibrant colors ranging from blue and green to yellow and pink, making it a striking addition to coral reef environments in the Indo-Pacific. Known for its active foraging behavior and territorial nature, this wrasse plays a crucial role in controlling small invertebrate populations within its habitat.

Rainbow Wrasse

Thalassoma quinquevittatum


(0 Reviews)

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Rainbow Wrasse Care Facts

Care Level: Moderate
Temperament: Peaceful
Diet: Carnivore
Reef Safe: No
Minimum Tank Size: 75 Gallons
Max Size: 6 inches
The Rainbow Wrasse, Thalassoma quinquevittatum, has a multitude of common names including Five-Striped Surgeonfish, Five-Striped Rainbowfish, Red-Ribbon Wrasse, Pinkface Wrasse, Lunate-Tailed Wrasse, Five-Striped Wrasse, Pinkface Rainbowfish.
They should be kept in a tank with plenty of live rock for hiding places, a sandy substrate, and tightly sealed lid to prevent escapes. 


The Rainbow Wrasse, scientifically known as Halichoeres melanurus, is a vibrant and captivating species cherished by saltwater aquarium enthusiasts. With its dazzling colors and lively behavior, the Rainbow Wrasse adds a delightful charm to any marine aquarium setup. This comprehensive guide is tailored to provide essential information for those interested in caring for the Rainbow Wrasse, covering various aspects such as habitat, diet, compatibility, tank requirements, and more.

Habitat of the Rainbow Wrasse

Rainbow Wrasses are commonly found in the tropical waters of the Indo-Pacific region, particularly around coral reefs and rocky outcrops. They inhabit areas with ample hiding spots and moderate water movement.

Reef Compatibility of the Rainbow Wrasse

Rainbow Wrasses are generally not considered reef-safe and can be kept in reef aquariums with caution. They help control pest populations such as bristle worms and pyramidellid snails. However, caution should be exercised if keeping them with small ornamental shrimp or other tiny invertebrates, as Rainbow Wrasses may occasionally prey upon them.

Size and Lifespan of the Rainbow Wrasse

These wrasses typically reach sizes of 4 to 6 inches in captivity. With proper care, Rainbow Wrasses can live for several years, with lifespans averaging 5 to 7 years.

Diet of the Rainbow Wrasse in Captivity

Rainbow Wrasses are carnivorous and should be fed a varied diet consisting of high-quality marine pellets, frozen foods, and live foods. They readily accept offerings of brine shrimp, mysis shrimp, chopped seafood, and marine-based flake or pellet foods.

Compatibility of the Rainbow Wrasse with Other Fish

Rainbow Wrasses are generally peaceful and can be kept with a wide range of tank mates, including other peaceful fish species and invertebrates. However, they may exhibit territorial behavior towards other wrasses or fish of similar size and shape.

Sexual Dimorphism of the Rainbow Wrasse

Sexual dimorphism in Rainbow Wrasses is not readily discernible in aquarium settings. Both males and females exhibit similar coloration and physical characteristics.

Coloration in the Rainbow Wrasse

Rainbow Wrasses exhibit a stunning array of colors, including shades of blue, green, yellow, and red. Their vibrant hues intensify during courtship displays or when they are excited.

Temperament of the Rainbow Wrasse

Rainbow Wrasses are active swimmers and enjoy exploring their environment. They are known for their curious nature and may interact with aquarium decorations or other tank inhabitants. While generally peaceful, they may become territorial towards conspecifics or other wrasses if housed in smaller tanks.

Tank Requirements for the Rainbow Wrasse

To provide optimal care for Rainbow Wrasses, it's essential to maintain appropriate tank conditions:

  • Minimum Aquarium Size: A tank size of at least 75 gallons is recommended for a single Rainbow Wrasse, with additional space for swimming and hiding spots.
  • Water Conditions:
    • pH: 8.1 to 8.4
    • Salinity: 1.023 to 1.025
    • Water Temperature: 75°F to 82°F
    • Water Flow: Moderate flow is ideal, mimicking natural reef environments.

Why Choose Rainbow Wrasses From Saltwater Fish?

Rainbow Wrasses are prized for their stunning colors, lively behavior, and beneficial role in reef aquariums. Their presence adds vibrancy and activity to marine aquarium setups, making them a popular choice among hobbyists and enthusiasts.

In conclusion, the Rainbow Wrasse is a captivating and colorful addition to saltwater aquariums, offering beauty and vitality to any aquatic habitat. With proper care and attention to their specific needs, Rainbow Wrasses can thrive and bring joy to aquarists of all levels.

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