Overview
The Purple Firefish is a vibrant and peaceful addition to the saltwater aquarium. Known for its striking purple coloration and red and white spots, it is a great choice for beginners and experienced aquarists alike. It requires a well-maintained tank with plenty of live rock for hiding and swimming. The Purple Firefish is generally compatible with other peaceful fish species and can be kept in a community tank.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Gobiidae |
| Genus | Nemateleotris |
| Species | Nemateleotris decora |
| Water type | saltwater |
Natural Habitat
Native to the Indo-Pacific region, the Purple Firefish is often found in coral reefs and rock formations.
Appearance
The Purple Firefish has a laterally compressed body, with a deep purple base color accented by bright red and white spots.
Behavior
The Purple Firefish is a shy species and prefers to be in a well-established tank with plenty of cover. It is not a schooling fish and is best kept in pairs or small groups. It is compatible with other peaceful fish species but may be stressed by more aggressive tankmates.
| Trait | Value |
|---|---|
| Temperament | Peaceful community fish |
| Schooling | No |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–28°C (72–82°F) | Use a reliable adjustable heater |
| pH | 8.1–8.4 | Avoid sudden swings |
| Hardness (GH) | 8-12 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
- The Purple Firefish is also known as the Mandarin Goby.
- It is known for its vibrant coloration, which can fade if stressed.
- It is a nocturnal species and is most active at night.
📋 Full Care Guide
Ready to set up a tank for your Purple Firefish? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Purple Firefish Care Guide →Related Species
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.