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Datasheet
| Minimum Tank Size | 283 litres / 74.76 US gallons |
| Maximum Size | 15.2cm / 5.98inches |
| Reef Compatible | Yes |
| Temperament | Peaceful |
| Care Description | Difficult |
| Specific Gravity | 1.020-1.025 |
| Carbonate Hardness | 8-12 |
| pH | 8.1-8.4 |
General Description
The Dusky Wrasse, with its sporadic presence in the aquarium trade, belongs to the Genus Halichoeres. This wrasse displays gregarious behavior once acclimated and showcases varying coloration based on age and sex. Juveniles and females sport subtle hues compared to the striking appearance of the adult male, characterized by a predominantly dusky blue coloration accented with vibrant rainbow colors, reds, oranges, and greens.
Aquarium Suitability
The Dusky Wrasse is suitable for a well-established saltwater aquarium of at least 75 gallons, complete with live rock, a sandy substrate for burrowing, and open swimming spaces. This species thrives in peaceful wrasse communities, including its own species, making it an excellent addition to suitable aquariums.
Demands, Care, and Hardiness
Considered difficult to care for, the Dusky Wrasse requires consistent attention. It feeds on benthic invertebrates, helping control populations of undesired species. However, caution is necessary as it may inadvertently consume desirable ornamental invertebrates. Regular small feedings of vitamin-enriched frozen shrimp are recommended for this active forager.
Reef Suitability
The Dusky Wrasse is compatible with reef environments, generally leaving sessile invertebrates like corals unharmed. However, caution is advised with ornamental invertebrates such as shrimp and crustaceans, as the wrasse may consider them prey.
Aquarium Setup
An ideal tank setup for the Dusky Wrasse includes live rock, a sandy substrate for burrowing, and ample open swimming space. A tank size of at least 75 gallons is recommended, housing the wrasse with peaceful companions like other wrasses.
Behaviour
Once acclimated, the Dusky Wrasse exhibits gregarious behavior, adding liveliness to the aquarium. It is relatively peaceful but may display territorial behavior towards similar-looking species or within its own species.
Feeding and Diet
This carnivorous wrasse feeds on benthic invertebrates in the wild, but in captivity, it should be offered a diet of vitamin-enriched frozen mysis and brine shrimp. Frequent small feedings throughout the day are essential to meet its dietary needs.
Habitat and Distribution
The Dusky Wrasse, scientifically known as Halichoeres annularis, is found in various oceanic habitats, ranging from rocky reefs to sandy bottoms, across its native distribution.