Encyclopaedia

FishMarineIntermediate
©AI Generated·Proprietary

Deep-water Wrasse

Cirrhilabrus bathyphilus

A stunning deep-reef fairy wrasse with a crimson red body and metallic fin edges. This reef-safe, haremic species needs a 150L tank with caves, a tight lid to prevent jumping, and a planktivorous meaty diet.

Taxonomy
Class:Actinopteri
Order:Perciformes
Family:Labridae
Subfamily:Cirrhilabrinae
Genus:Cirrhilabrus
Species:Cirrhilabrus bathyphilus

Share

Check out Deep-water Wrasse on Atlarium

PracticeRecognition quizzesPhotos, names, origins, and puzzles to review Atlas species.Open quizzes
Water Temperature

22 - 26 °C

pH Value

8.1 - 8.4

Water type

Marine

Tank level

Surface and middle

Adult size

8 cm

Minimum tank volume

>= 150 L

Minimum group

>= 1

KH

8 - 12 dKH

Species description

Geographical Origin and Habitat: This species is native to the southwestern Pacific Ocean, primarily recorded from the Great Barrier Reef, Coral Sea, Vanuatu, and New Caledonia. It is a deep-reef dweller, typically found at depths of 60 to 220 meters on outer reef slopes among rubble fields and agariciid coral formations.
Taxonomy and Morphology: Belonging to the family Labridae and the genus Cirrhilabrus. It features an elongated, compressed body profile. Its large eyes are adapted for low-light environments. Males develop rounded, highly ornate dorsal and anal fins. The maximum adult size is around 7 to 8 cm.
Social Behavior: Peaceful, active, and social. It forms harems dominated by a single male and multiple females. Males engage in spectacular courtship displays, intensifying their coloration and flaring their fins to attract females. They are completely reef-safe and do not harm corals.
Coloration and Sexual Dimorphism: Displays extreme sexual dichromatism. Females are reddish-orange with pale bellies. Terminal males exhibit a brilliant yellow to orange head, transitioning to a deep crimson red body, with metallic purple and blue edges on the dorsal, anal, and caudal fins.

Care, breeding and tankmates

Aquarium Setup: A minimum tank size of 150 liters (40 gallons) is required. The tank should provide ample open swimming area along with live rock structures that offer shaded caves to mimic their deep-water habitat. A tight-fitting lid or mesh netting is mandatory, as fairy wrasses are notorious jumpers.
Diet and Feeding: Planktivorous. Requires feeding 2 to 3 times daily. Provide a varied diet of meaty frozen foods such as mysis shrimp, brine shrimp, krill, copepods, and fish eggs. It will also accept high-quality marine flakes and pellets enriched with vitamins to maintain color brilliance.
Water Quality: Demands stable marine conditions. Prefers slightly cooler water temperatures (22-25°C / 72-77°F) due to its deep-sea origin. Maintain pH 8.1-8.4, specific gravity 1.020-1.025, and KH 8-12. Low nitrate and phosphate levels are essential to prevent health decline.
Compatibility and Cohabitation: Highly compatible with other peaceful reef fish and corals. Can be kept in a harem (one male with several females, introduced simultaneously or females first). Avoid housing with aggressive, territorial tankmates like dottybacks, large angelfish, or boisterous damselfishes.
Aquarium Breeding: Spawning in captivity is undocumented. They are pelagic spawners that release eggs into the open water column at dusk. Raising the microscopic planktonic larvae requires specialized diets (such as copepod nauplii) and is not viable for standard home aquariums.
Risks and Diseases: Jumping out of the tank is the most common cause of mortality. Prone to skin parasites (marine ich) if stressed by bright aquarium lighting or aggressive tankmates. Drip acclimation in a dimly lit room is recommended to prevent shock.

Geographic Origin and Distribution

This species is native to the southwestern Pacific Ocean, primarily recorded from the Great Barrier Reef, Coral Sea, Vanuatu, and New Caledonia. It is a deep-reef dweller, typically found at depths of 60 to 220 meters on outer reef slopes among rubble fields and agariciid coral formations.

Origin

Tropical oceans and reefsAustralia, New Guinea, and Oceania

Fish profile

Temperament
Peaceful
The overall temperament of Cirrhilabrus bathyphilus can be described as active and peaceful. Understanding their personality is vital for maintaining a peaceful and stress-free environment. They may exhibit unique behaviors when interacting with their surroundings or during feeding time. Careful consideration of their disposition leads to a more rewarding fishkeeping experience.
Diet
Carnivore
The natural diet of Cirrhilabrus bathyphilus is primarily carnivorous. In captivity, they should be offered a varied selection of high-quality foods to meet their nutritional needs. Incorporating both dry commercial diets and frozen or live options will ensure optimal health and coloration. A varied diet prevents nutritional deficiencies.
Sex ratio
Harem
The ideal sex ratio for keeping Cirrhilabrus bathyphilus is typically harem. Keeping them in these numbers helps reduce intraspecific aggression and mimics their natural social structure. Providing ample hiding spots can further alleviate tension among dominant individuals. Always monitor the group dynamics when introducing new specimens.
Feeding frequency
Twice daily
Feeding Cirrhilabrus bathyphilus should generally be done multiple times daily. It is important to provide only what they can consume in a few minutes to prevent leftover food from decaying. Establishing a regular feeding schedule helps keep the fish active and healthy. Adjust the frequency if you observe signs of undernourishment or overfeeding.
Bioload
The bioload produced by Cirrhilabrus bathyphilus is generally considered medium. This means that the filtration system must be adequately sized to handle their waste output. Regular water changes and tank maintenance are strongly recommended to keep the environment healthy. Failure to do so can result in poor water quality and stress the fish.
Flow
Strong
In their natural habitat, Cirrhilabrus bathyphilus experiences water flow that is moderate. Replicating this in the aquarium is crucial for their well-being and natural behavior. Appropriate water movement aids in oxygenation and prevents dead spots in the tank. Utilizing adjustable powerheads can help achieve the perfect balance.
Jump risk
Yes
The risk of Cirrhilabrus bathyphilus jumping out of the aquarium is rated as very high. Therefore, a tight-fitting lid or a secure mesh cover is highly recommended. Many fish jump when startled by sudden movements or poor water conditions. Securing the top ensures that your fish remain safely inside the tank.
Reproduction
Oviparous
Regarding reproduction, Cirrhilabrus bathyphilus is known to be a pelagic spawner. Breeding them in a home aquarium requires specific water parameters and a dedicated setup. Providing the correct spawning media and conditioning the adults with high-quality foods will increase success. Raising the fry can be challenging and requires specialized microscopic foods initially.
Compatibility & tankmates
Community
When it comes to compatibility, Cirrhilabrus bathyphilus is characterized as peaceful. They should be housed with tank mates that share similar water requirements and temperament. Care must be taken not to include species that could easily become prey or outcompete them for food. Observation is key to ensuring a harmonious community.
Tank level
Top/Middle
In the aquarium, Cirrhilabrus bathyphilus prefers to occupy the mid-top level. Designing the aquascape to cater to this preference ensures the fish feel secure and display their best colors. Ensure that there is adequate swimming space and appropriate decor in their preferred zone. This vertical distribution also allows for careful selection of tank mates that occupy other levels.

Window to the official scientific data of the species

Data synced on: 06/15/2026

Scientific Parameters & Models

Trophic level
3.3 ± 0.4 se
Resilience
High (less than 15 months)
Phylogenetic uniqueness (PD50)
0.5
Bayesian Length-Weight
a = 0.01072, b = 3.03
VulnerabilityLow vulnerability (10 / 100)

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

Related species

Recommendations grouped by close relatives, companion choices, and similar care.

Variants and close relatives

Same atlas type, nearby scientific identity, genus, or family.

Flame wrasse

Flame wrasse

Cirrhilabrus jordani

View details->
Pyle's fairy wrasse

Pyle's fairy wrasse

Cirrhilabrus pylei

View details->
Scott's wrasse

Scott's wrasse

Cirrhilabrus scottorum

View details->
Girdled Wrasse

Girdled Wrasse

Cirrhilabrus balteatus

View details->
Labout's Fairy Wrasse

Labout's Fairy Wrasse

Cirrhilabrus laboutei

View details->
Lined fairy wrasse

Lined fairy wrasse

Cirrhilabrus lineatus

View details->
Ruby fairy wrasse

Ruby fairy wrasse

Cirrhilabrus rubeus

View details->
Temminck's Fairy Wrasse

Temminck's Fairy Wrasse

Cirrhilabrus temminckii

View details->
African Lined Wrasse

African Lined Wrasse

Cirrhilabrus africanus

View details->
Aquamarine Wrasse

Aquamarine Wrasse

Cirrhilabrus aquamarinus

View details->
Beau's Fairy Wrasse

Beau's Fairy Wrasse

Cirrhilabrus beauperryi

View details->
Brian Greene's Fairy Wrasse

Brian Greene's Fairy Wrasse

Cirrhilabrus briangreenei

View details->
Bronze Fairy Wrasse

Bronze Fairy Wrasse

Cirrhilabrus brunneus

View details->
Conde's wrasse

Conde's wrasse

Cirrhilabrus condei

View details->
Dotted wrasse

Dotted wrasse

Cirrhilabrus punctatus

View details->
Filament-finned wrasse

Filament-finned wrasse

Cirrhilabrus filamentosus

View details->

Recommended companions

Compatible cards from coherent ecosystems with matching parameters.

Antillean hermit crab
Invertebrate

Antillean hermit crab

Clibanarius brasiliensis

View details->
Arethusa Hermit Crab
Invertebrate

Arethusa Hermit Crab

Clibanarius arethusa

View details->
Bahia Cleaner Shrimp
Invertebrate

Bahia Cleaner Shrimp

Lysmata bahia

View details->
Boschma's hermit crab
Invertebrate

Boschma's hermit crab

Clibanarius boschmai

View details->
Cook's hermit crab
Invertebrate

Cook's hermit crab

Clibanarius cooki

View details->
Danai's hermit crab
Invertebrate

Danai's hermit crab

Clibanarius danai

View details->
De Man's Hermit Crab
Invertebrate

De Man's Hermit Crab

Clibanarius demani

View details->
Feather Duster Worm
Invertebrate

Feather Duster Worm

Sabellastarte spectabilis

View details->
Lysmata prima shrimp
Invertebrate

Lysmata prima shrimp

Lysmata

View details->
African snapping shrimp
Invertebrate

African snapping shrimp

Alpheus africanus

View details->
Anker's Cleaner Shrimp
Invertebrate

Anker's Cleaner Shrimp

Lysmata ankeri

View details->
Armed Snapping Shrimp
Invertebrate

Armed Snapping Shrimp

Alpheus armatus

View details->
Blood-spotted Hermit Crab
Invertebrate

Blood-spotted Hermit Crab

Clibanarius cruentatus

View details->
Bouvier's snapping shrimp
Invertebrate

Bouvier's snapping shrimp

Alpheus bouvieri

View details->
Camel shrimp
Invertebrate

Camel shrimp

Rhynchocinetes durbanensis

View details->
Chapin's Hermit Crab
Invertebrate

Chapin's Hermit Crab

Clibanarius chapini

View details->

Similar care

Cards with similar requirements, difficulty, habitat, and husbandry profile.

Magma Wrasse

Magma Wrasse

Cirrhilabrus shutmani

View details->
Rhomboid Fairy Wrasse

Rhomboid Fairy Wrasse

Cirrhilabrus rhomboidalis

View details->
Mutant Wrasse

Mutant Wrasse

Cirrhilabrus apterygia

View details->
Orange-back Fairy Wrasse

Orange-back Fairy Wrasse

Cirrhilabrus aurantidorsalis

View details->
Tono's Fairy Wrasse

Tono's Fairy Wrasse

Cirrhilabrus tonozukai

View details->
Lubbock's fairy wrasse

Lubbock's fairy wrasse

Cirrhilabrus lubbocki

View details->
Redfin Fairy Wrasse

Redfin Fairy Wrasse

Cirrhilabrus rubripinnis

View details->
Kato's Fairy Wrasse

Kato's Fairy Wrasse

Cirrhilabrus katoi

View details->
Red-fin Fairy Wrasse

Red-fin Fairy Wrasse

Cirrhilabrus adornatus

View details->
Crescent-tail Hogfish

Crescent-tail Hogfish

Bodianus sepiacaudus

View details->
Katherine's fairy wrasse

Katherine's fairy wrasse

Cirrhilabrus katherinae

View details->
Vibranium fairy wrasse

Vibranium fairy wrasse

Cirrhilabrus wakanda

View details->
Red-headed fairy wrasse

Red-headed fairy wrasse

Cirrhilabrus solorensis

View details->
Yellowband Wrasse

Yellowband Wrasse

Cirrhilabrus luteovittatus

View details->
Candystripe Hogfish

Candystripe Hogfish

Bodianus opercularis

View details->
Eightline flasher wrasse

Eightline flasher wrasse

Paracheilinus octotaenia

View details->
Last updated: 06/30/2026
Deep-water Wrasse (Cirrhilabrus bathyphilus) Care Guide & Tank Setup | Atlarium