Mardi Gras wrasse
Halichoeres burekae
Endemic to the Gulf of Mexico, this spectacular wrasse displays vibrant purple, green, and yellow Mardi Gras colors. This schooling planktivore requires a deep sand bed to burrow into at night.
Water Temperature
22 - 26 °C
pH Value
8.1 - 8.4
Water type
Marine
Tank level
Bottom and middle
Adult size
8 cm
Minimum tank volume
>= 150 L
Minimum group
>= 1
Species description
Geographical Origin and Habitat: This species is endemic to the Gulf of Mexico, documented in locations such as Stetson Bank and Flower Garden Banks, as well as reefs off Veracruz and the Yucatan Peninsula. It inhabits outer coral reefs and rocky outcrops at depths ranging from 2 to 25 meters.
Taxonomy and Morphology: Belongs to the family Labridae, genus Halichoeres. Formally described in 2007, it represents a relatively recent discovery. It features an elongated, slightly laterally compressed body with a streamlined head and protruding teeth suited for capturing zooplankton. It grows to about 7-8 cm.
Social Behavior: A planktivorous and active species that often forms aggregations ranging from small groups to large schools of up to 200 individuals swimming above coral formations. Like other members of its genus, it requires a bed of fine sand to burrow into completely at night for sleeping.
Coloration and Sexual Dimorphism: Displays pronounced chromatic dimorphism. Terminal phase males exhibit a vibrant and spectacular combination of purple, green, and yellow (traditional Mardi Gras colors). Juveniles and females are predominantly reddish or orange with a white stripe running from snout to tail.
Care, breeding and tankmates
Aquarium Setup: Requires a tank of at least 150 liters with plenty of open swimming space. A non-negotiable requirement is a layer of fine aragonite or silica sand at least 5 cm deep. The wrasse burrows completely into the sand to sleep or when startled; the absence of sand causes severe stress and physical trauma.
Diet and Feeding: Primarily a planktivorous species. In captivity, feed multiple times daily with small frozen foods such as brine shrimp, mysis, copepods, fish eggs, and commercial marine preparations. It also readily accepts high-quality, protein-rich dry granules or flake foods.
Water Quality: Standard stable marine conditions are required: temperature 23 to 26 °C, pH 8.1-8.4, specific gravity 1.020-1.025. Efficient biological filtration with moderate-to-high water flow and excellent oxygenation is essential to maintain water quality and prevent nitrate accumulation.
Compatibility and Cohabitation: An excellent candidate for reef-safe aquariums. It cohabits peacefully with most other reef species. It can be kept in small groups in larger tanks, provided they are introduced simultaneously or females are added first. It does not disturb hard or soft corals.
Aquarium Breeding: Captive breeding has not been documented in home aquariums. In the wild, they spawn in the water column, releasing pelagic eggs that drift as plankton. They are sequential protogynous hermaphrodites, where dominant females can transition into colorful terminal males.
Risks and Diseases: The primary risk is jumping out of uncovered aquariums, making a secure lid or mesh cover mandatory. Additionally, the lack of suitable sand or sudden temperature drops can cause skin bacterial infections and common marine external parasitic diseases.
Geographic Origin and Distribution
This species is endemic to the Gulf of Mexico, documented in locations such as Stetson Bank and Flower Garden Banks, as well as reefs off Veracruz and the Yucatan Peninsula. It inhabits outer coral reefs and rocky outcrops at depths ranging from 2 to 25 meters.
Origin
Tropical oceans and reefsCentral America and Caribbean
Fish profile
- Temperament
- Peaceful
- These wrasses are inquisitive, active, and generally peaceful community fish, although they can sometimes exhibit a semi-aggressive streak. They are constantly on the move, investigating crevices in the live rock for tiny morsels of food. While they do not usually bother corals directly, their constant picking behavior might accidentally irritate some sensitive polyps. Overall, they make a lively and entertaining addition to a moderately aggressive marine community tank.
- Diet
- Carnivore
- This species is strictly carnivorous in its dietary habits. Their diet should consist of a variety of meaty foods including frozen mysis shrimp, vitamin-enriched brine shrimp, and high-quality marine flakes or pellets. In the wild, they naturally prey on small benthic invertebrates found among the rocks. Offering multiple small meals a day helps mimic their natural foraging behavior.
- Life expectancy
- 4-6 years
- Primarily originating from the coral reefs of the Gulf of Mexico, this beautiful wrasse has an estimated life expectancy in the aquarium of between four and six years. Its longevity in captivity is closely correlated with water quality, which must be constantly free of high nitrate levels, and the presence of a reef rich in natural hiding places. To maximize its chances of long-term survival, it is essential to place the fish in a peaceful environment with a suitable sandy substrate to take refuge in, and to feed it small-sized frozen foods fortified with vitamins specific for marine fish.
- Adult size
- 8 cm
- The catalog's scalar value is 8 cm. The FishBase SPECIES table (v25.04 snapshot) source reports a maximum adult measurement of 7.74 cm for this species, recorded as standard length (SL). The taxonomic record consulted is Halichoeres burekae (v25.04); male or unsexed record. These figures are not interchangeable: the first is the profile's editorial reference, whereas the second is a published maximum under a specific measurement convention; differences among sources can reflect sex, population, life stage and measuring method.
- Sex ratio
- Solitary
- Many species within this genus are protogynous hermaphrodites, meaning dominant females can transition into males if needed. It is usually best to keep them singly or as a single male with multiple females if the tank is exceptionally large. Keeping two males in the same tank will almost certainly result in constant territorial disputes and fighting. Observing their intricate social structure and potential color changes during transition is fascinating.
- Feeding frequency
- Twice daily
- Due to their highly active nature and high metabolisms, they require frequent feedings throughout the day. It is highly recommended to feed them at least two to three times daily. Providing smaller, more frequent meals is much better than offering one large meal. This feeding schedule ensures they maintain a healthy body weight and vibrant coloration.
- Bioload
- The bioload produced by this fish is considered moderate. They are very active swimmers and consume a significant amount of food, producing a fair amount of waste in return. Regular water changes and strong biological filtration are necessary to maintain pristine water quality. Protein skimmers are highly recommended for marine setups housing these energetic wrasses.
- Flow
- Strong
- These fish thrive in aquariums with moderate to strong water flow throughout the tank. Good circulation closely mimics their natural reef environments and keeps them active and healthy. Powerheads should be strategically placed to create varied flow patterns mimicking ocean currents. However, ensure there are still some lower flow resting areas within the rockwork for them to retreat to.
- Jump risk
- Yes
- Wrasses in this genus are notorious jumpers, especially when startled, chased, or newly introduced to an aquarium. A tight-fitting lid or a fine mesh screen is absolutely mandatory to keep them safe. Many aquarists have unfortunately lost these beautiful fish due to open-top tanks or small gaps in the canopy. The jump risk remains exceptionally high throughout their entire lifespan in captivity.
- Reproduction
- Protogynous hermaphrodite
- Breeding these wrasses in a home aquarium is extremely rare and very difficult to achieve. They are pelagic spawners, naturally releasing their eggs and sperm directly into the water column. The resulting larvae require specialized microscopic foods and undergo a long, vulnerable planktonic stage. Therefore, almost all specimens available in the aquarium trade are wild-caught rather than captive-bred.
- Compatibility & tankmates
- Reef safe
- The Halichoeres burekae wrasses are generally peaceful but can be aggressive towards smaller invertebrates like ornamental shrimp and feather dusters. They are considered reef safe with caution, as they will hunt for small prey. They usually coexist well with other similarly sized, semi-aggressive fish but might bully much smaller, more docile species. It is crucial not to keep them with large, aggressive predators that might see them as a snack.
- Tank level
- Middle/Bottom
- They are highly active fish that will enthusiastically utilize all levels of the aquarium. However, they spend a significant amount of time hovering near the rockwork and sandy substrate actively looking for food. They require a deep sand bed of at least two to three inches to bury themselves in at night or when frightened. During the daytime, they will constantly patrol the middle and bottom sections of the tank.
Scientific Parameters & Models
FishBase
Window to the official scientific data of the species
Data synced on: 06/15/2026
- Trophic level
- 3.3 ± 0.5 se
- Resilience
- High (less than 15 months)
- Phylogenetic uniqueness (PD50)
- 0.5
- Bayesian Length-Weight
- a = 0.01, b = 3.09
- VulnerabilityLow vulnerability (10 / 100)
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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