Overview
The Peacock Eel (Macrognathus siamensis) is a intermediate freshwater species known for its tan-brown, dark eyespots coloration. Buries in sand. Bottom.
Origin & Appearance
Origin: Southeast Asia.
Colors: Tan-Brown, Dark eyespots.
Body Shape: Filiform (eel-like/snake). Typical adult dimensions: 30.0 x 1.8 x 1.8.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 40 gallons |
| Temperature | 72–82°F |
| pH Range | 6.5–7.5 |
| Water Hardness (GH) | 5-15 |
| Bioload | high |
| Oxygen Demand | medium |
| Plant Safe | mostly |
| Aquarium Position | Bottom |
Behavior & Activity
Bottom burrower; buries in sand with snout protruding; emerges at night to hunt; snake-like slithering movement
Speed: 30/100Aggression: 4/10nocturnal
Breeding
Difficult; not bred in home aquaria
Common Diseases
💊 Ich
Expert Notes
Buries in sand; nocturnal