Overview
The Black Neon Tetra is a popular freshwater species known for its vibrant colors and peaceful temperament. It is an excellent addition to community tanks, thriving in groups of 6 or more. These tetras require a well-maintained aquarium with a flowing current and plenty of swimming space. With proper care, they can live up to 5 years. They are adaptable to various water conditions and are suitable for beginners.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Characidae |
| Genus | Hyphessobrycon |
| Species | Hyphessobrycon herbertaxelrodi |
| Water type | freshwater |
Natural Habitat
Native to the Paraguay River basin in South America, the Black Neon Tetra inhabits slow-moving waters with dense vegetation.
Appearance
They have a sleek, slender body with a deep black coloration, contrasting with bright neon blue lines that run along the sides.
Behavior
The Black Neon Tetra is a social fish that prefers the company of its own kind. It is generally peaceful and can be kept with other non-aggressive species. They are active and can be seen darting around the tank in search of food and mates.
| Trait | Value |
|---|---|
| Temperament | peaceful community fish |
| Schooling | Yes |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–28°C (72–82°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 | 20L (5 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- They can be found in groups of up to 100 in the wild.
- Their neon blue lines are more vibrant in well-lit conditions.
- They are known to school tightly together, mimicking a single large fish.
📋 Full Care Guide
Ready to set up a tank for your Black Neon Tetra? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Black Neon Tetra Care Guide →Related Species
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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.