Golden-eyed dwarf cichlid
Nannacara anomala
A dwarf cichlid from Guyana and Suriname with brilliant golden eyes — hence the name — and a greenish-bronze iridescent body. Unique spectacle: during breeding, the female transforms into a fierce guardian with a completely different livery — black and yellow bands — and defends the nest with surprising aggression, even against the male himself. Relatively robust and easy to breed for a dwarf cichlid, it spawns in caves and females care for the offspring alone.
Temperatura da água
22 - 26 °C
Valor de pH
6 - 7.5
Tipo de água
Água doce
Nível do tanque
Parte inferior e intermediária
Tamanho adulto
7,5 cm
Volume mínimo do tanque
>= 75 L
Grupo mínimo
>= 2
GH
2 - 12 dGH
KH
1 - 6 dKH
TDS
40 - 240 ppm
Condutividade
63 - 375 uS/cm
Descrição da espécie
Geographical Origin and Habitat: Coastal regions of Guyana and Suriname. Frequents very shallow flooded swamps, submerged meadows and very slow or stagnant streams, often covered by dense vegetation.
Taxonomy and Morphology: Goldeneye Cichlid (Nannacara anomala). South American dwarf cichlid. Robust but small, stocky and rounded head. The name "Goldeneye" derives from the constantly golden and bright iris.
Social Behavior: Sleepy and enigmatic until it is breeding. The male spends his time inspecting the bottom without disturbing anyone. In the reproductive phase, the small females undergo a draconian personality change, becoming among the fiercest fish in the world.
Coloration and Sexual Dimorphism: Accentuates dimorphism. Males (7-8 cm / 3 inches) have a bronze-green background and bright neon blue scales, with large pointed fins. Females are tiny (4 cm / 1.5 inches), anonymous and brownish. until they spawn: then they turn into a monstrous and vibrant black and cream "checkerboard pattern".
Cuidado, criação e companheiros de tanque
Aquarium Setup: 80 cm (32 inches) Aquarium. Very narrow caves are essential (miniature pierced coconuts, where the male CANNOT enter), tangles of Java moss and catappa leaves. Sand or fine gravel.
Diet and Feeding: Bottom micropredator. Very easy to feed, will gulp down any carnivorous micro-granule, tubifex, bloodworms and daphnia (which it hunts among the foliage with sudden snaps).
Water Quality: Very resistant compared to Apistogramma and Ramirezi. Does not require hyper-acidic water or scorching temperatures. Grows well in normal conditioned tap water, while preferring amber waters.
Compatibility and Cohabitation: Perfect for peaceful community tanks (Tetras, Rasboras) but CATASTROPHIC with other dwarf cichlids or bottom fish in aquariums under a meter (40 inches) in length. The brooding female will systematically exterminate any Corydoras or her own male if he has no space to escape.
Aquarium Breeding: Narrow cave spawners. The tiny female cleans the roof of a coconut, spawns, chases the male away and turns into a blind fury, attacking even the aquarist's hand attempting maintenance.
Risks and Diseases: Reverse uxoricide. The greatest risk in this species is that the female, once the fry are born, hunts and tears the male to pieces with bites (who is twice her size) if he cannot hide on the other side of the tank behind thick vegetation.
Origem e distribuição geográfica
Coastal regions of Guyana and Suriname. Frequents very shallow flooded swamps, submerged meadows and very slow or stagnant streams, often covered by dense vegetation.
Origem
Amazônia, Orinoco e Guianas
Perfil de peixe
- Temperamento
- Semi-aggressive
- They ordinarily exhibit a peaceful and somewhat shy temperament in planted tanks. They are curious but cautious, often observing surroundings from a safe cave. This peaceful nature changes dramatically to fierce protectiveness during breeding.
- Dieta
- Omnivore
- These micro-predators feed on small invertebrates and insect larvae in the wild. They eagerly accept high-quality micro-pellets and live or frozen foods like daphnia. A varied protein-rich diet is essential for bringing out their golden-green colors.
- Expectativa de vida
- 3-5 years
- Tamanho adulto
- 7.5 cm
- Proporção sexual
- Harem
- Keeping one male with two or three females is the recommended harem setup. This disperses the male's breeding attention and reduces stress on females. In smaller tanks, a single bonded pair is also a viable option.
- Frequência de alimentação
- Twice daily
- They should be fed small portions one to two times daily. Since they feed slowly, ensure faster top-dwelling fish do not outcompete them. Offering sinking foods directly guarantees they receive adequate nutrition.
- Carga biológica
- Low to Medium
- The Golden Dwarf Cichlid has a very low bioload suitable for peaceful aquariums. Their small size and moderate appetite mean they produce minimal waste. Standard sponge filters or gentle hang-on-back filters are more than sufficient.
- Fluxo
- Strong
- They prefer slow to moderate water movement mimicking sluggish streams. Strong currents will stress them and force them to hide constantly. A gentle flow that lightly moves the plant leaves is considered ideal.
- Risco de salto
- No
- Reprodução
- Oviparous
- They are cave spawners that choose secluded spots like coconut caves for eggs. The female assumes total responsibility for brood care and becomes fiercely aggressive. She may even attack the male, requiring plenty of hiding spaces.
- Compatibilidade e companheiros de tanque
- Community
- They are generally peaceful community fish that can be kept with small tetras. However, females become hyper-aggressive when guarding fry against larger fish. It is best to avoid housing them with other bottom-dwelling dwarf cichlids.
- Nível do tanque
- Middle/Bottom
- This species is heavily oriented towards the bottom and lower-middle levels. They spend their days exploring the substrate and leaf litter for food. They rarely venture to the surface unless enticed by floating food.
Modelos e parâmetros científicos
FishBase
Acesso aos dados científicos oficiais da espécie
FishBase v25.04Dados sincronizados em: 15/06/2026
- Nível trófico
- 3,3 ± 0,4 se
- Resiliência
- Alta (menos de 15 meses)
- Unicidade filogenética (PD50)
- 0.5156
- Relação bayesiana comprimento-peso
- a = 0.01445, b = 3.08
- VulnerabilidadeVulnerabilidade baixa (10 / 100)
Galeria de imagens
Imagens licenciadas vinculadas à espécie ou, quando marcadas, ao táxon representativo mais próximo.
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