Bleeding-heart tetra vs Black neon tetra: can they live together?

Verdict: Compatible

Both are comfortable at 23–28°C (73–82°F).
A pH of 5.6–7.2 suits both.
Minimum tank for the pair: 75 L (20 US gal)

Side by side

	Bleeding-heart tetra	Black neon tetra
Adult size	6 cm (2.4 in)	3.2 cm (1.3 in)
Minimum tank	75 L (20 US gal)	75 L (20 US gal)
Temperature	23–28°C (73–82°F)	23–28°C (73–82°F)
pH	5.6–7.2	5.5–7.5
Hardness	3–12 dGH (54–214 ppm)	2–15 dGH (36–268 ppm)
Temperament	Peaceful	Peaceful
Community tank	Good	Excellent
Care level	Easy	Easy
Diet	Omnivore	Omnivore