Pearl danio vs Harlequin rasbora: can they live together?

Verdict: Compatible

Both are comfortable at 22–25°C (72–77°F).
A pH of 6.0–7.0 suits both.
Minimum tank for the pair: 75 L (20 US gal)

Side by side

	Pearl danio	Harlequin rasbora
Adult size	5 cm (2 in)	4 cm (1.6 in)
Minimum tank	75 L (20 US gal)	55 L (15 US gal)
Temperature	20–25°C (68–77°F)	22–25°C (72–77°F)
pH	6.0–8.0	5.0–7.0
Hardness	5–19 dGH (89–339 ppm)	5–12 dGH (89–214 ppm)
Temperament	Peaceful	Peaceful
Community tank	Excellent	Excellent
Care level	Easy	Easy
Diet	Omnivore	Omnivore