đĨ Firefish Goby (Nemateleotris magnifica)
The Firefish Goby, also called the Fire Dartfish, is a stunning beginner fish with a white/yellow body that transitions to a fiery red-orange tail. Known for hovering motionless in the water column before darting into hiding, this peaceful fish is perfect for reef aquariums of all sizes.
đ Quick Facts
| Scientific Name | Nemateleotris magnifica |
|---|---|
| Adult Size | 3 inches (7.5 cm) |
| Minimum Tank | 20 gallons (75 liters) |
| Temperament | Peaceful, shy |
| Reef Safe | Yes |
| Difficulty | Beginner |
| Lifespan | 3-5 years |
| Origin | Indo-Pacific |
â ī¸ Important Considerations
- Jumpers! - Secure lid absolutely required
- Shy fish - Can be bullied by aggressive tankmates
- Need hiding spots - Will be stressed without burrows
đ Tank Requirements
- Tank Size: 20 gallons minimum
- Lid: SECURE - notorious jumpers
- Burrows: Need tube or cave to retreat to
- Peaceful tankmates: Stressed by aggressive fish
Water Parameters
| Temperature | 74-80°F (23-27°C) |
|---|---|
| pH | 8.1-8.4 |
| Salinity | 1.023-1.025 |
| Ammonia/Nitrite | 0 ppm |
| Nitrate | <20 ppm |
đŊī¸ Diet & Feeding
Carnivores that accept most small foods.
- Frozen mysis - Favorite
- Frozen brine
- Quality pellets
- Cyclops
Feed 2-3 times daily. May be shy feeders initially.
đ Compatibility
Good Tankmates
- Clownfish
- Other gobies (with caution)
- Blennies
- Royal Gramma
- Peaceful community fish
Avoid
- Aggressive fish - Will terrorize firefish
- Six Line Wrasse - Known to bully them
- Dottybacks - Too aggressive
đĢ Keeping Multiples
- Can be kept in pairs or small groups
- Buy at same time, similar size
- May establish hierarchy
- Watch for aggression in small tanks
đĄ Tips for Success
- Secure your lid - #1 cause of death is jumping
- Provide tube or cave for retreat
- Add before aggressive fish
- Keep with peaceful tankmates only
- Don't panic if hiding at first - normal adjustment
đ Summary
The Firefish is a beautiful, peaceful addition to reef tanks. Its main requirements are a secure lid (they jump when startled) and peaceful tankmates (they're easily bullied). With these conditions met, they're hardy and long-lived. Their hovering behavior and fiery colors make them a standout in any reef aquarium.