Encyclopaedia
Peacock Eel / Spot-finned Spiny Eel
Macrognathus siamensis
The Peacock Eel is a bottom-dwelling Asian fish that buries itself in soft substrates. A large aquarium with a thick, absolutely non-sharp sand bed is mandatory to prevent it from sustaining injuries.
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Check out Peacock Eel / Spot-finned Spiny Eel on Atlarium
23 - 28 °C
6.5 - 7.5
Freshwater
30 cm
>= 300 L
>= 1
5 - 15 dGH
2 - 7 dKH
95 - 295 ppm
148 - 461 uS/cm
Species description
Care, breeding and tankmates
Geographic Origin and Distribution
Origin
Fish profile
- Temperament
- No verified data available
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 30 cm
- Sex ratio
- No verified data available
- Feeding frequency
- No verified data available
- Bioload
- Medium to High
- Flow
- No verified data available
- Jump risk
- No verified data available
- Reproduction
- No verified data available
- Compatibility & tankmates
- With caution
- Tank level
- No verified data available
Window to the official scientific data of the species
Scientific Parameters & Models
- Trophic level
- 3.3 ± 0.4 se
- Resilience
- Medium (1.4 - 4.4 years)
- Phylogenetic uniqueness (PD50)
- 0.5
- Bayesian Length-Weight
- a = 0.00295, b = 2.94
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
Compatible cards from coherent ecosystems with matching parameters.
Similar care
Cards with similar requirements, difficulty, habitat, and husbandry profile.








