Spotted ctenopoma vs Black ghost: can they live together?

Verdict: Not recommended

The Black ghost is aggressive towards other fish.
The Spotted ctenopoma is aggressive towards other fish.
An adult Black ghost is about 3 times the length of a Spotted ctenopoma and may eat it.
Both are comfortable at 23–25°C (73–77°F).
A pH of 6.0–8.0 suits both.

Side by side

	Spotted ctenopoma	Black ghost
Adult size	15 cm (5.9 in)	50 cm (20 in)
Minimum tank	210 L (55 US gal)	210 L (55 US gal)
Temperature	5–25°C (41–77°F)	23–28°C (73–82°F)
pH	6.0–8.0	6.0–8.0
Hardness	5–12 dGH (89–214 ppm)	5–10 dGH (89–178 ppm)
Temperament	Aggressive	Aggressive
Community tank	Good	Good
Care level	Easy	Moderate
Diet	Carnivore	Omnivore