Spotted ctenopoma vs Chinese sucker: can they live together?

Verdict: Not recommended

The Spotted ctenopoma is aggressive towards other fish.
An adult Chinese sucker is about 4 times the length of a Spotted ctenopoma and may eat it.
Both are comfortable at 18–25°C (64–77°F).
A pH of 6.0–7.5 suits both.

Side by side

	Spotted ctenopoma	Chinese sucker
Adult size	15 cm (5.9 in)	60 cm (24 in)
Minimum tank	210 L (55 US gal)	455 L (120 US gal)
Temperature	5–25°C (41–77°F)	18–28°C (64–82°F)
pH	6.0–8.0	6.0–7.5
Hardness	5–12 dGH (89–214 ppm)	–
Temperament	Aggressive	Peaceful
Community tank	Good	Good
Care level	Easy	Moderate
Diet	Carnivore	Omnivore