Pinktail chalceus vs Glowlight tetra: can they live together?

Verdict: Not recommended

The Pinktail chalceus is aggressive towards other fish.
An adult Pinktail chalceus is about 5 times the length of a Glowlight tetra and may eat it.
Both are comfortable at 24–28°C (75–82°F).
A pH of 6.0–7.5 suits both.

Side by side

	Pinktail chalceus	Glowlight tetra
Adult size	25.4 cm (10 in)	5 cm (2 in)
Minimum tank	210 L (55 US gal)	40 L (11 US gal)
Temperature	23–28°C (73–82°F)	24–28°C (75–82°F)
pH	6.0–7.5	6.0–8.0
Hardness	6–18 dGH (107–321 ppm)	5–12 dGH (89–214 ppm)
Temperament	Aggressive	Peaceful
Community tank	–	Excellent
Care level	Moderate	Easy
Diet	Carnivore	Omnivore