Common name: Saddle-back wrasse

Scientific name: Thalassoma duperrey (Quoy & Gaimard, 1824)

General information

The Saddle Wrasse, scientifically known as Thalassoma duperrey, is a vibrant and active fish commonly found in the Hawaiian Islands. It is known for its striking coloration, with males displaying a bright green body, a red stripe along the lateral line, and a distinctive saddle-like mark near the tail. Females and juveniles tend to have a more subdued color palette with a series of dark spots along their sides.

Saddle Wrasses are part of the Labridae family, which includes other popular aquarium wrasses. They are known for their curious and bold behavior, often seen actively swimming and foraging for food in the wild.

Details

Recommended minimum tank volume
300 liter (79 gallons)
Salinity
S.G. 1.020 to 1.025
Temperature
22 to 26 °C (72 to 79 °F)
Acidity
pH 8 to 8.4
Average size
25 cm (10″)
Care level
Moderate to easy Needs ample swimming space
Diet
Carnivore Varied diet incl. frozen foods
Social
Solo Can be territorial, best kept alone
Reefsafe
Yes
Aggression
Semi aggresive May bully smaller fish
Captive bred
No

Taxonomy

  1. Kingdom
    Animals
    Animalia
  2. Phylum
    Chordates
    Chordata
  3. Class
    Ray-finned Fishes
    Actinopterygii
  4. Order
    Perch-like Fishes
    Perciformes
  5. Family
    Wrasses
    Labridae
  6. Genus
    Lunar Wrasse
    Thalassoma
  7. Species
    Saddle-back wrasse
    Thalassoma duperrey (Quoy & Gaimard, 1824)
  8. Synonyms
    Julis caeruleocephalus Cuvier, 1829
    Julis clepsydralis Smith & Swain, 1882
    Julis duperrey Quoy & Gaimard, 1824
    Thalassoma pyrrhovinctum Jenkins, 1901

Care

In the aquarium, Saddle Wrasses require a spacious tank with plenty of swimming space and rockwork to provide hiding places. They are generally hardy and adaptable to aquarium life if provided with a varied diet consisting of meaty foods, such as mysis shrimp, brine shrimp, and finely chopped seafood. It's important to note that they may not be suitable for reef tanks as they can exhibit a tendency to nip at small invertebrates and clam mantles.

Reproduction

Saddle Wrasses are protogynous hermaphrodites, meaning they are born female and have the ability to change to male later in life. This usually occurs when there is an absence of a dominant male in the group. In the wild, they exhibit a lek-like mating system where males display vibrant colors and perform elaborate dances to attract females.

Habitat

The natural habitat of the Saddle Wrasse is the coral reef ecosystems of the Hawaiian Islands, where they are commonly found at depths ranging from shallow waters to about 30 meters. They are a benthic species, meaning they spend much of their time close to the bottom, foraging among the corals and rocks.

Geographical distribution is limited to the Hawaiian archipelago, making them a species of interest for those looking to add a touch of Hawaii to their aquarium.