🧬 Origins and Classification
Scientific Name: Aphyocharax rathbuni
Family: Characidae
The Green Fire Tetra is a striking freshwater fish known for its glowing green and orange colors. Native to the rivers of South America, this tetra has become popular among aquarists for its peaceful nature and vibrant appearance. Because of its hardiness and active behavior, the Green Fire Tetra is an excellent choice for planted community aquariums.
🎨 Appearance
The Green Fire Tetra gets its name from its beautiful blend of shimmering green tones and fiery orange accents.
Color & Features:
- Metallic green upper body
- Bright orange patch near the belly
- Transparent fins with subtle color highlights
- Black spot near the tail peduncle
- Males are slimmer and slightly more colorful than females
Size:
- Average: 1.5 inches
- Lifespan: 3–5 years
🏡 Tank Requirements
Tank Size: Minimum 15 gallons, but larger tanks allow schooling groups to swim freely.
Water Parameters
- Temperature: 72–82°F (22–28°C)
- pH: 6.0–7.5
- Soft to moderately soft water
Environment Setup
To help the Green Fire Tetra thrive, create a comfortable, natural environment.
Provide:
- Live plants (Java Fern, Amazon Sword, Water Sprite)
- Driftwood and scattered hiding spots
- Darker substrate to enhance color contrast
- Open areas for schooling behavior
A group of 6 or more Green Fire Tetras displays the best color and activity.
🍽️ Diet
Type: Omnivore
Food Options:
- High-quality micro pellets or flakes
- Frozen foods like brine shrimp or bloodworms
- Live foods (daphnia, micro worms)
- Occasional vegetable-based flakes
Feed small portions 1–2 times daily.
🤝 Behavior and Compatibility
The Green Fire Tetra is peaceful, energetic, and highly social.
Ideal Tank Mates:
- Other tetras
- Rasboras
- Guppies
- Corydoras
- Dwarf gouramis
- Shrimp and snails
Avoid:
- Large or aggressive fish
- Fin-nipping species
These fish feel safest and most vibrant in groups of 6–10.
💡 Care Notes
They thrives in stable water conditions with regular weekly water changes. Provide soft lighting and a planted layout to bring out their glowing colors. Because they are active schooling fish, a peaceful community tank is the best environment for them.
The Green Fire Tetra offers a beautiful mix of color, movement, and gentle temperament — perfect for aquarists looking to brighten their freshwater aquarium.