Encyclopaedia
Mueller's Dwarf Cichlid
Apistogramma paulmuelleri
A beautifully vibrant dwarf cichlid native to northern Peru, featuring blue-green iridescence and yellow accents. It thrives in well-structured blackwater setups with abundant leaf litter.
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22 - 30 °C
4 - 7
Freshwater
Bottom
5 cm
>= 60 L
>= 2
2 - 10 dGH
1 - 5 dKH
40 - 200 ppm
63 - 313 uS/cm
Species description
Care, breeding and tankmates
Geographic Origin and Distribution
Origin
Fish profile
- Temperament
- Territorial
- Diet
- Carnivore
- Sex ratio
- Harem
- Feeding frequency
- Twice daily
- Bioload
- This species has a relatively low bioload compared to larger cichlids, making it suitable for appropriately sized setups. However, they are highly sensitive to deteriorating water conditions and elevated nitrates. Maintaining pristine water quality through adequate filtration and regular water changes is absolutely crucial for their long-term health. A heavily planted tank can also help absorb excess nutrients and keep the environment stable.
- Flow
- Stagnant
- Jump risk
- No
- Reproduction
- Oviparous
- Compatibility & tankmates
- They are best kept in a species-specific aquarium or a peaceful community tank with small, non-aggressive dither fish like tetras or rasboras. Fast-swimming or boisterous tank mates should be avoided as they will easily outcompete this species for food and induce stress. Bottom-dwelling species such as Corydoras might face territorial disputes, especially if breeding behaviors commence. Careful selection of tank mates is necessary to ensure a harmonious environment.
- Tank level
- Bottom
Window to the official scientific data of the species
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 = 0.0182, b = 2.99
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.
Recommended companions
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Similar care
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