Ruby Head Fairy Wrasse (Cirrhilabrus Chaliasi) saltwater aquarium fish portrait

The Ruby Head Fairy Wrasse (Cirrhilabrus chaliasi) is one of the more striking Indonesian members of the genus, described from the Lesser Sunda Islands with an additional rare report from Wakatobi. Terminal males carry a brilliant red head washed with magenta, an ochre to yellow-brown upper body, and a blue to purplish-blue underside, with indigo-edged scales behind the pectoral fin and blue-purple markings in the fins. Females are far more subdued, showing olive green that fades to pink along the belly, fine metallic green speckling, and a small dark mark near the end of the caudal peduncle. The species was long confused with other fishes in the Cirrhilabrus cyanopleura complex, particularly specimens sold as C. solorensis, so origin information and clear photographs of the head and flanks remain useful when confirming identity.

In the wild this wrasse inhabits rubble zones with scattered coral growth at depths of roughly eight to twenty meters, and a captive layout should echo that structure. Plan on a mature reef system of at least 75 gallons for an adult, arranged with generous open water for continuous daytime swimming and substantial rockwork riddled with crevices. Unlike sand-diving wrasses, this species retreats into rock rather than burying itself, so protected sleeping niches are important; a fine sand bed is still a reasonable finishing touch. A tight-fitting lid or mesh screen is not optional, since a startled fairy wrasse will readily launch out of an open tank. Care is best described as moderate: the fish is undemanding once settled, but it needs stable, established water conditions and a calm environment during the first weeks.

Cirrhilabrus chaliasi is a planktivorous carnivore that spends the day picking zooplankton from the passing water column rather than grazing on the reef surface. That feeding style translates directly to the aquarium: small, dispersed, protein-rich items suit it far better than large single portions. Mysis shrimp, enriched brine shrimp, copepods, Cyclops, Calanus, finely chopped krill, and other small meaty marine preparations all work well, and most specimens will also take quality marine pellets and flakes once they recognize them as food.

Feed several small meals per day rather than one large offering, since a fish that grazes constantly in nature maintains condition and color best on a frequent schedule. Rotating between two or three item types keeps nutrition varied and encourages reluctant new arrivals to begin feeding. Some keepers add algae-based preparations, though the evidence for a plant requirement in this species is thin and a carnivorous menu should remain the foundation. No particular tendency to refuse food has been documented, but new individuals feed most readily when boisterous tankmates are not monopolizing the water column.

Mysis Shrimp Enriched Brine Shrimp Copepods Cyclops Calanus Chopped Krill Marine Pellets Marine Flakes
This is an active, social, daylight-oriented swimmer that spends most of its time cruising above the rockwork and returns to a crevice at night. It suits peaceful reef communities and is a poor match for aggressive or bullying tankmates, which can intimidate it and keep it from feeding. Males are the exception to its otherwise easygoing nature: they flare, intensify their colors, and may turn territorial toward other fairy wrasses, flasher wrasses, or similarly shaped males, a tendency that is amplified in cramped quarters. Keeping a single male with several females, all introduced at the same time, is the most reliable way to maintain a group.

On the reef side, this wrasse is a dependable citizen. It does not nip or damage stony or soft corals, clams, or other sessile invertebrates, and it coexists well with snails, hermit crabs, and cleaner shrimp. Reef safe does not mean entirely crustacean safe, however; very small or planktonic crustaceans such as copepods and amphipods are fair game, and a fairy wrasse may occasionally pick at tiny shrimp. Tanks maintained as refugium-fed pod nurseries should account for that steady predation.

FAQ

Frequently Asked Questions

About the Ruby Head Fairy Wrasse

  • How large a tank should I prepare for a Ruby Head Fairy Wrasse?
    Plan on at least a 75-gallon aquarium for an adult, with open swimming lanes and structured rockwork. Increase that footprint if you intend to keep a harem or house other fairy or flasher wrasses.
  • Is it safe for a reef aquarium with shrimp and snails?
    Yes, this species is coral safe and generally compatible with snails, hermit crabs, and cleaner shrimp. Very small or planktonic crustaceans such as copepods may be eaten or picked at.
  • How can I confirm the fish is really Cirrhilabrus chaliasi?
    Ask for collection origin and clear photographs of the head, flanks, and pectoral-fin region. Adult males show a bright red, magenta-washed head, ochre to yellow-brown upper body, blue-purple underside, and prominent indigo-edged scales, features often confused with C. solorensis and others in the C. cyanopleura complex.