Common name: rock wrasse
General information
The Half-banded Tamarin, scientifically known as Halichoeres semicinctus, is a small and colorful wrasse species that adds both beauty and activity to a saltwater aquarium. This species is known for its distinctive coloration, with males typically displaying a vibrant array of colors including green, yellow, and blue, while females and juveniles are more subdued with a series of white and black bands.
Details
- Recommended minimum tank volume
- 150 liter (40 gallons)
- Salinity
- S.G. 1.020 to 1.025
- Temperature
- 24 to 28 °C (75 to 82 °F)
- Acidity
- pH 8.1 to 8.4
- Average size
- 12 cm (5″)
- Care level
- Moderate to easy May nip at clam mantles
- Diet
- Carnivore Enjoys mysis and brine shrimp
- Social
- Solo Territorial, best kept alone
- Reefsafe
- Yes
- Aggression
- Semi aggresive Can be territorial
- Captive bred
- No
Taxonomy
- KingdomAnimalsAnimalia
- PhylumChordatesChordata
- ClassRay-finned FishesActinopterygii
- OrderPerch-like FishesPerciformes
- FamilyWrassesLabridae
- GenusWrasseHalichoeres
- Speciesrock wrasseHalichoeres semicinctus (Ayres, 1859)
- SynonymsJulis semicinctus Ayres, 1859Pseudojulis venustus Jenkins & Evermann, 1889
Care
Half-banded Tamarins are relatively hardy and adaptable to aquarium life. They require a well-established tank with plenty of live rock for hiding and foraging. These wrasses are known for their pest control abilities, as they actively hunt for small invertebrates and parasites, making them beneficial for maintaining a healthy aquarium ecosystem.
Reproduction
In the wild, Halichoeres semicinctus exhibits protogynous hermaphroditism, where individuals start life as females and can change to males as they mature. In the aquarium, breeding these wrasses can be challenging due to their complex social structures and the need for precise environmental conditions.
Habitat
The Half-banded Tamarin is found in the Indo-Pacific region, from the Red Sea and East Africa to the central Pacific. They inhabit coral reefs and rocky substrates, often seen at depths ranging from shallow waters to about 30 meters. In the aquarium, replicating their natural habitat with a variety of live rock formations and a sandy substrate can help promote natural behaviors and overall health.