Spotted ctenopoma vs Bleeding-heart tetra: can they live together?

Verdict: Not recommended

The Spotted ctenopoma is aggressive towards other fish.
The Spotted ctenopoma grows about twice as long as the Bleeding-heart tetra; watch for bullying or predation.
Both are comfortable at 23–25°C (73–77°F).
A pH of 6.0–7.2 suits both.

Side by side

	Spotted ctenopoma	Bleeding-heart tetra
Adult size	15 cm (5.9 in)	6 cm (2.4 in)
Minimum tank	210 L (55 US gal)	75 L (20 US gal)
Temperature	5–25°C (41–77°F)	23–28°C (73–82°F)
pH	6.0–8.0	5.6–7.2
Hardness	5–12 dGH (89–214 ppm)	3–12 dGH (54–214 ppm)
Temperament	Aggressive	Peaceful
Community tank	Good	Good
Care level	Easy	Easy
Diet	Carnivore	Omnivore