Red Phantom Tetra
Characidae sp.
Red Phantom Tetra (Characidae sp.) — Easy care, Peaceful, under Tetra & Characin. Minimum tank in the app: 14.5 US gal min; aim for 72–82°F and pH 5.5–7.5. The Red Phantom Tetra is an excellent choice for both novice and experienced aquarists due to its engaging shoaling behavior and manageable size.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Mostly South America
- South America
Regional colours match the stocking calculator’s origin map.
Red Phantom Tetra Tank Setup
Create a balanced environment with ample swimming space complemented by plants and decorations that provide cover. A sandy or fine gravel substrate will help maintain a natural look, while moderate lighting can enhance their colors and encourage natural behaviors. Ensure good water flow to replicate their native habitats, but avoid strong currents that may stress them.
What Do Red Phantom Tetras Eat?
Red Phantom Tetras are opportunistic feeders, showing a moderate feeding speed but a high interest in micro foods. While they can compete effectively for food, ensure a varied diet that includes high-quality flakes and live or frozen foods to enhance their coloration and health without creating aggressive competition.
Red Phantom Tetra Tank Mates
Ideal tank mates include other peaceful mid-water swimmers of similar size, such as rasboras or other tetras. Larger, more aggressive species may pose a threat, while smaller or overly timid species could be outcompeted for food. Intraspecies, a group of six or more is essential to maintain social structure and reduce stress.
Are Red Phantom Tetras Good for Beginners?
In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. A common error is underestimating their shoaling needs, which can lead to stress and diminished health in smaller groups. providing insufficient cover or overly aggressive tank mates can disrupt their social dynamics and cause anxiety, leading to a decline in overall vitality.
Building a community? Run the full list through the stocking calculator before you add anything else.
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