Goldbelly damselfish
Pomacentrus auriventris
The goldbelly damselfish showcases a stunning contrast of neon blue and vibrant peach-yellow. A hardy, semi-aggressive reef dweller that thrives in environments rich with extensive hiding spaces.
Temperatura da água
24 - 28 °C
Valor de pH
8.1 - 8.4
Tipo de água
Marinho
Nível do tanque
Parte inferior e intermediária
Tamanho adulto
6 cm
Volume mínimo do tanque
>= 80 L
Grupo mínimo
>= 1
Descrição da espécie
Geographical Origin and Habitat:
Pomacentrus auriventris, commonly known as the goldbelly damselfish or peach-bellied damsel, is native to the warm tropical waters of the Central-Western Pacific. It is primarily found in the coral reefs of Indonesia, the Philippines, Micronesia, and Christmas Island. It inhabits sheltered lagoons and outer reef slopes at depths of 2 to 15 meters, remaining close to branching corals like *Acropora* for quick cover.
Taxonomy and Morphology:
Belonging to the family Pomacentridae (damselfishes and clownfishes), this species exhibits a classic oval, laterally compressed body shape. It has a continuous dorsal fin and large eyes. It reaches a modest adult size of only 7 to 8 centimeters in total length, making it well-suited for medium-sized aquariums.
Social Behavior:
It is an active, curious, and energetic fish that occupies the mid-to-lower water column. While less aggressive than many other damselfish species, it still exhibits territorial behavior once it establishes a home crevice in the rocks. It will defend its immediate shelter from similarly sized intruders but is generally tolerant of larger fish.
Coloration and Sexual Dimorphism:
The coloration is striking, creating a bold visual contrast: the upper two-thirds of the body and head are a brilliant neon blue, while the lower belly, caudal peduncle, and caudal fin are a bright golden yellow-orange. Sexual dimorphism is not externally apparent; males may grow slightly larger than females.
Cuidado, criação e companheiros de tanque
Aquarium Setup:
Requires an aquarium of at least 100 liters (approx. 26 gallons) furnished with plenty of live rock to create caves, passages, and hiding spots. They enjoy swimming in open water but need to retreat to safety when threatened. Efficient filtration and moderate water movement are ideal for this active species.
Diet and Feeding:
It is an omnivore that feeds on zooplankton and benthic algae in the wild. In captivity, it eagerly accepts almost all aquarium foods: high-quality flakes, pellets, frozen foods like mysis, brine shrimp, chopped krill, and herbivore preparations containing spirulina. Feeding small portions twice daily is recommended.
Water Quality:
Requires stable and clean water parameters: temperature between 24°C and 28°C (75°F to 82°F), pH between 8.1 and 8.4, and specific gravity between 1.021 and 1.025. It is hardier than many other marine fish, making it suitable for beginners, but regular water changes and protein skimming are still recommended.
Compatibility and Cohabitation:
Ideal for active marine community tanks. It coexists peacefully with surgeonfish, wrasses, dwarf angelfish, and clownfish. It may show aggression toward other damselfishes if space is limited. To minimize territorial issues, introduce this species as one of the last additions to the tank. It is reef-safe.
Aquarium Breeding:
Captive breeding is possible, but raising the larvae is highly challenging. They lay adhesive eggs on hard substrates (such as caves or shells). The male courts the female and subsequently guards and fans the eggs until they hatch. Rearing the larvae requires microscopic live foods (rotifers) and controlled larval tanks.
Risks and Diseases:
It is a very hardy fish with a robust immune system. However, under severe stress or poor water conditions, it can contract common marine parasitic infections such as ich (Cryptocaryon) and Oodinium. Proper acclimation and a balanced diet enriched with vitamins will ensure they maintain their natural defenses.
Origem e distribuição geográfica
Pomacentrus auriventris, commonly known as the goldbelly damselfish or peach-bellied damsel, is native to the warm tropical waters of the Central-Western Pacific. It is primarily found in the coral reefs of Indonesia, the Philippines, Micronesia, and Christmas Island. It inhabits sheltered lagoons and outer reef slopes at depths of 2 to 15 meters, remaining close to branching corals like *Acropora* for quick cover.
Origem
Oceanos tropicais e recifesÁfrica e MadagascarSul e Sudeste AsiáticoAustrália, Nova Guiné e Oceania
Perfil de peixe
- Temperamento
- Semi-aggressive
- Like many damselfish, the Pomacentrus auriventris possesses a bold and sometimes pugnacious temperament. While less aggressive than some notorious damsel species, they are fiercely territorial of their chosen nesting or hiding spots. They are known to assert themselves even against larger fish if their space is threatened. To maintain a peaceful community, they should be housed with fish of similar temperament or larger size. Careful planning of tank additions and ample rockwork can help manage their feisty nature.
- Dieta
- Omnivore
- The Pomacentrus auriventris is an omnivore in the wild, grazing on benthic algae and consuming tiny invertebrates. In a captive environment, they are eager eaters that will accept almost any aquarium fare offered. Providing a balanced diet of meaty foods like mysis and brine shrimp, alongside high-quality herbivore preparations or spirulina flakes, is essential. Regular varied feedings ensure they receive the full spectrum of nutrition required for vibrant colors and strong immunity. Their robust appetite makes them very easy to feed in most setups.
- Expectativa de vida
- 5-8 years
- Tamanho adulto
- 6 cm
- Proporção sexual
- Harem
- Sexing the Pomacentrus auriventris is extremely difficult for the average aquarist, as there are no prominent physical differences between the genders. They are generally not sexually dimorphic, though males may exhibit slightly more intense coloration during courtship. In the home aquarium, keeping a small group can eventually lead to pair formation, but it may also result in significant territorial disputes. For most setups, it is often safer to keep a single specimen to avoid conspecific aggression. Understanding their sex is largely unnecessary unless a dedicated breeding project is planned.
- Frequência de alimentação
- Twice daily
- Due to their active swimming and continuous foraging behavior, the Pomacentrus auriventris benefits from being fed multiple times a day. Offering two to three small meals daily is preferred over a single large feeding. This routine helps reduce aggression, as a well-fed damselfish is generally less territorial. It also ensures that other, slower-eating tank mates have a fair chance to consume their share. Careful portion control during these frequent feedings prevents the accumulation of excess detritus.
- Carga biológica
- Low to Medium
- The Pomacentrus auriventris has a relatively moderate bioload considering its small size, primarily due to its energetic lifestyle. They consume food enthusiastically and consequently produce a steady amount of waste in the aquarium. Ensuring efficient mechanical and biological filtration is necessary to keep water parameters stable. Regular partial water changes will help export dissolved organics efficiently. An appropriately sized protein skimmer is beneficial for maintaining the high water quality they thrive in.
- Fluxo
- Strong
- The Pomacentrus auriventris prefers areas with moderate to strong water movement, typical of the reef habitats they originate from. Good flow encourages them to stay active and mimics the natural currents that deliver food particles. Strong circulation also helps keep the water well-oxygenated, which is vital for their fast metabolism. They often dart in and out of the current while exploring the rockwork. Ensuring there are also slightly calmer areas allows them to rest when necessary.
- Risco de salto
- No
- Reprodução
- Oviparous
- Breeding the Pomacentrus auriventris in captivity is relatively straightforward in terms of spawning, as they frequently lay eggs in established aquariums. The male typically selects a crevice or a flat surface, cleans it thoroughly, and courts the female. Once eggs are laid, the male becomes highly aggressive, vigorously defending the clutch from any perceived threats until they hatch. However, the subsequent rearing of the minuscule, pelagic fry is immensely difficult. It requires specialized rearing tanks, rotifers, and expert dedication to achieve success.
- Compatibilidade e companheiros de tanque
- Territorial
- When it comes to compatibility, the Pomacentrus auriventris can be somewhat territorial, particularly as they establish a designated home within the rockwork. While they are reef safe and will not harm corals, they may chase away smaller or similarly sized fish that encroach on their territory. They are best housed with moderately aggressive to robust peaceful community fish that can hold their own. Keeping them with shy, easily intimidated species is generally discouraged to prevent undue stress. Adding them as one of the last fish in a tank can help mitigate aggressive territorial behaviors.
- Nível do tanque
- Middle/Bottom
- The Pomacentrus auriventris tends to occupy the lower to middle sections of the aquarium, closely associating with the rockwork. They require an intricate aquascape with numerous caves, overhangs, and hiding places to feel secure. They will quickly claim a specific crevice or hole as their primary residence and defend the immediate area. Providing ample live rock allows them to exhibit natural foraging behaviors and territorial displays. While they stay near the rocks, they will venture out to feed and interact.
Modelos e parâmetros científicos
FishBase
Acesso aos dados científicos oficiais da espécie
FishBase v25.04Dados sincronizados em: 15/06/2026
- Nível trófico
- 2,8 ± 0,3 se
- Resiliência
- Alta (menos de 15 meses)
- Unicidade filogenética (PD50)
- 0.5
- Relação bayesiana comprimento-peso
- a = 0.01445, b = 3
- VulnerabilidadeVulnerabilidade baixa (10 / 100)
























































