All fish / Labridae

Rhomboid Fairy Wrasse

Cirrhilabrus rhomboidalis

Also known as rhomboid fairy wrasse, rhomboidalis fairy wrasse, diamond fairy wrasse, rhomboid wrasse, ロンボイダリス, 菱形丝鳍鹦鲷

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A rare, slender fairy wrasse. Males have a rhomboid-shaped tail and bright magenta, yellow and violet colours, while females are plainer and reddish. It is kept for its striking display colours and because it is safe with corals in reef tanks.

Care at a glance

Care level

Moderate

Temperament

Semi

Adult size

9 cm

Temperature

23 to 27 °C

pH

8.1 to 8.4

Smallest tank

300 litres

Keep as

One male with one or more females

Diet

Carnivore: mysis, enriched brine shrimp, copepods, quality pellets and flakes, several small feeds a day

Swims

Middle of the tank

Lifespan

5 to 8 years

Water

Marine (saltwater)

Wild range

Central Pacific: Marshall Islands, Kiribati and nearby islands

Breeding

It is a protogynous hermaphrodite, so females can change into males, and pairs spawn in open water at dusk. Captive rearing of the tiny pelagic larvae is very difficult and seldom achieved.

Good to know

Fairy wrasses are expert jumpers, so a tightly fitted lid is essential. It usually comes from deep reefs and sells at a high price, and males can be aggressive towards other Cirrhilabrus males.