Garnet tetra vs Black ghost: can they live together?

Verdict: Not recommended

The Black ghost is aggressive towards other fish.
An adult Black ghost is about 10 times the length of a Garnet tetra and may eat it.
Both are comfortable at 23–27°C (73–81°F).
A pH of 6.0 suits both.

Side by side

	Garnet tetra	Black ghost
Adult size	5 cm (2 in)	50 cm (20 in)
Minimum tank	55 L (15 US gal)	210 L (55 US gal)
Temperature	23–27°C (73–81°F)	23–28°C (73–82°F)
pH	5.0–6.0	6.0–8.0
Hardness	5–12 dGH (89–214 ppm)	5–10 dGH (89–178 ppm)
Temperament	Peaceful	Aggressive
Community tank	Excellent	Good
Care level	–	Moderate
Diet	Omnivore	Omnivore