Bleeding-heart tetra vs Glass catfish: can they live together?

Verdict: With caution

The Glass catfish grows about twice as long as the Bleeding-heart tetra; watch for bullying or predation.
Both are comfortable at 23–26°C (73–79°F).
A pH of 6.5–7.0 suits both.
Minimum tank for the pair: 150 L (40 US gal)

Side by side

	Bleeding-heart tetra	Glass catfish
Adult size	6 cm (2.4 in)	15 cm (5.9 in)
Minimum tank	75 L (20 US gal)	150 L (40 US gal)
Temperature	23–28°C (73–82°F)	21–26°C (70–79°F)
pH	5.6–7.2	6.5–7.0
Hardness	3–12 dGH (54–214 ppm)	8–18 dGH (143–321 ppm)
Temperament	Peaceful	Peaceful
Community tank	Good	Good
Care level	Easy	Easy
Diet	Omnivore	Carnivore