Blue Throat Fairy Wrasse - Male
Goes well with:
FAQs Answers to the most common questions.
Is the Blue Throat Fairy Wrasse a true reef-safe fish, and will it bother ornamental shrimp or small crustaceans?
Yes, it is generally reef-safe and one of the better wrasses for a mixed reef. It typically ignores corals, clams, and most invertebrates. That said, very small ornamental shrimp, tiny crabs, and newly introduced ornamental crustaceans can sometimes be investigated, especially by larger or more assertive males. Well-fed individuals are usually far less likely to bother tankmates.
How can I tell a male Blue Throat Fairy Wrasse from a female or juvenile, and when does the blue throat coloration appear?
Juveniles and females are usually much duller, often with pinkish, tan, or reddish tones and less dramatic patterning. Males develop the signature vivid blue throat and more intense body coloration as they mature and establish sex. In many cases, the full male display coloration becomes strongest when the fish is settled, dominant, and interacting with other wrasses or during courtship.
What tank size and aquascape does a Blue Throat Fairy Wrasse need to thrive long term?
They do best in a tank of at least 55 gallons for a single specimen, but 75 gallons or larger is better, especially if keeping multiple wrasses. They need lots of open swimming space plus rockwork with caves and overhangs for retreat. A tight-fitting lid is essential because Blue Throat Fairy Wrasses are excellent jumpers, especially when startled or when first introduced.
What should I feed a Blue Throat Fairy Wrasse to keep its color and body condition strong?
They are planktivores, so the best diet is frequent small meals of meaty foods like mysis shrimp, enriched brine shrimp, copepods, finely chopped seafood, and quality marine frozen preparations. They also usually accept high-quality pellets once trained. Feeding 2–3 times daily helps maintain color, condition, and activity. A varied diet with added marine vitamins and omega-3 enrichment is ideal.
Can a Blue Throat Fairy Wrasse be kept with other wrasses, and what are the aggression issues to watch for?
Yes, but tankmate selection matters. They are usually peaceful to moderately assertive, with males becoming more dominant, especially in smaller tanks. They often do well with other fairy wrasses in a larger aquarium if introduced carefully. Avoid aggressive wrasses, overly territorial fish, or keeping multiple similar-looking males in a cramped tank. The safest approach is one male with either females or different, non-competing species in ample space.
All listed sizes are approximate, not guaranteed, and may vary slightly.
The male Blue Throat Fairy Wrasse, Cirrhilabrus cyanogularis, is a brilliantly colored saltwater fish distinguished by its warm orange to red-orange body and intense electric-blue coloration across the throat, lower head, and breast. Mature males develop especially dramatic contrast, with elongated pelvic fins and colorful dorsal, anal, and caudal fins accented by blue, violet, and darker markings. During courtship or territorial displays, these colors can intensify considerably, making the species an eye-catching addition to a reef aquarium.
Native to the Indo-West Pacific, including the southern Philippines, Indonesia, and parts of Malaysia, the Blue Throat Fairy Wrasse naturally inhabits reef-associated rubble slopes where it swims above the substrate searching for zooplankton. Its compact adult size, peaceful temperament, active swimming behavior, and excellent compatibility with corals and ornamental invertebrates make it an outstanding marine aquarium fish for established reef and peaceful fish-only aquariums.
Quick Care Guide
Care Level: Easy to Moderate
Minimum Tank Size: 55 gallons
Temperament: Peaceful
Diet: Planktivore / Carnivore
Reef Safe: Yes
Region: Indonesia, Southern Philippines, and Malaysia
Scientific Name: Cirrhilabrus cyanogularis
Tank Requirements
The Blue Throat Fairy Wrasse should be maintained in an established marine aquarium with generous open swimming space and ample rockwork for shelter. Although adults remain relatively compact at approximately 4 inches, this is an active species that benefits from room to cruise above and around the aquascape.
Arrange live rock to provide caves, overhangs, and narrow crevices where the wrasse can retreat when startled and rest at night. Unlike sand-burying wrasses, Cirrhilabrus species normally shelter within reef structure, so a deep sand bed is not required.
Moderate water movement, good oxygenation, efficient filtration, and stable water quality are ideal. Open areas above the rockwork allow the fish to display its natural plankton-feeding and swimming behavior.
A tightly fitted mesh or solid aquarium cover is essential. Fairy wrasses are accomplished jumpers and can escape through surprisingly small openings around plumbing, cables, and equipment.
Diet and Feeding
The Blue Throat Fairy Wrasse is primarily a planktivore, naturally feeding on zooplankton and small crustaceans suspended above the reef.
Offer a varied diet including mysis shrimp, enriched brine shrimp, copepods, finely chopped marine seafood, quality frozen plankton blends, and appropriately sized marine pellets. Small foods dispersed through the water column encourage natural feeding behavior.
Two to three smaller meals per day are preferable when practical. Established reef aquariums containing naturally occurring copepods and other microfauna can provide additional feeding opportunities between prepared meals.
Temperament and Tankmates
The male Blue Throat Fairy Wrasse is generally peaceful and mixes well with a broad range of non-aggressive marine aquarium fish. Suitable tankmates include clownfish, gobies, blennies, cardinalfish, anthias, peaceful tangs, flasher wrasses, and compatible fairy wrasses.
Mature males may display toward other fairy wrasses, especially similarly colored males, but persistent aggression is usually limited when adequate swimming space and shelter are available.
A male can be maintained singly or, in a sufficiently spacious aquarium, with compatible females. Like other fairy wrasses, this species is a protogynous hermaphrodite, meaning females can transition into males depending on social conditions.
Avoid highly aggressive tankmates that may continually intimidate the wrasse or prevent it from feeding normally.
Reef Compatibility
The Blue Throat Fairy Wrasse is considered reef safe. It does not normally damage healthy corals and is generally compatible with ornamental shrimp, crabs, snails, clams, and other common reef invertebrates.
Its feeding behavior is focused primarily on small planktonic organisms in the water column rather than larger benthic invertebrates. Naturally occurring copepods and other tiny microcrustaceans may be consumed as part of its normal diet.
This combination of peaceful temperament, coral safety, and active swimming behavior makes it especially well suited to mixed and coral-dominated reef aquariums.
Water Parameters
Temperature: 75–80°F
Specific Gravity: 1.024–1.026
pH: 8.1–8.4
Alkalinity: 8–12 dKH
Stable conditions are more important than chasing exact numbers. Maintain consistent temperature and salinity along with good oxygenation, dependable filtration, and regular aquarium maintenance.
Common Considerations
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Distinctive male coloration: Mature males develop the characteristic brilliant blue throat and breast that gives the species its common name.
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Exceptional jumping risk: A tightly fitted aquarium cover is essential, including around plumbing and equipment openings.
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No deep sand bed required: This fairy wrasse normally sleeps and shelters within rockwork rather than burying itself in the substrate.
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Display behavior: Male coloration can intensify dramatically when displaying toward females or other fairy wrasses.
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Frequent feeding preferred: Multiple smaller meals of appropriately sized planktonic and protein-rich foods help maintain strong body condition and coloration.