Pearl danio vs Chinese sucker: can they live together?

Verdict: Not recommended

An adult Chinese sucker is about 12 times the length of a Pearl danio and may eat it.
Both are comfortable at 20–25°C (68–77°F).
A pH of 6.0–7.5 suits both.

Side by side

	Pearl danio	Chinese sucker
Adult size	5 cm (2 in)	60 cm (24 in)
Minimum tank	75 L (20 US gal)	455 L (120 US gal)
Temperature	20–25°C (68–77°F)	18–28°C (64–82°F)
pH	6.0–8.0	6.0–7.5
Hardness	5–19 dGH (89–339 ppm)	–
Temperament	Peaceful	Peaceful
Community tank	Excellent	Good
Care level	Easy	Moderate
Diet	Omnivore	Omnivore