Peacock Spiny Eel Overview
The Peacock Spiny Eel is a visually striking addition to the freshwater aquarium. Known for its iridescent blue, red, and black coloration, it offers a unique aesthetic experience. These eels are generally peaceful, but their slender, elongated bodies and spines require a spacious tank to prevent injury and stress. They are not schoolers and prefer a moderate activity level. Keeping the water parameters stable is crucial for their health.
Peacock Spiny Eel Scientific Classification
| Rank | Classification |
|---|---|
| Family | Mastacembelidae |
| Genus | Macrognathus |
| Species | Macrognathus siamensis |
| Water type | freshwater |
Peacock Spiny Eel Natural Habitat
Native to slow-moving streams and floodplains in South Asia, the Peacock Spiny Eel thrives in warm, well-oxygenated waters.
Peacock Spiny Eel Appearance & Size
They have a sleek, elongated body with a long, pointed snout and a series of spines along the back.
Peacock Spiny Eel Behavior & Temperament
These eels are generally peaceful and do not exhibit aggressive behavior. However, they are curious and may show some territorial behavior. Providing ample swimming space and cover can help reduce stress and aggression.
| Trait | Value |
|---|---|
| Temperament | elegant and curious |
| Schooling | No |
| Activity level | moderate |
Peacock Spiny Eel Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 24–28°C (75–82°F) | Use a reliable adjustable heater |
| pH | 6–7 | Avoid sudden swings |
| Hardness (GH) | 5-15 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 100L (26 gal) | Larger tanks are easier to keep stable |
Interesting Facts About Peacock Spiny Eel
- They can change color based on their mood or environment.
- Spines along the back are used for protection and can be a cause of injury.
- Peacock Spiny Eels are nocturnal and primarily active at night.
Species Related to Peacock Spiny Eel
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.