Mosquitofish vs Gulf gambusia: can they live together?

Verdict: With caution

The Mosquitofish can be semi-aggressive or nip fins.
Both are comfortable at 22–25°C (72–77°F).
A pH of 6.5–7.8 suits both.
Minimum tank for the pair: 40 L (11 US gal)

Side by side

	Mosquitofish	Gulf gambusia
Adult size	4 cm (1.6 in)	5 cm (2 in)
Minimum tank	40 L (11 US gal)	20 L (5 US gal)
Temperature	12–29°C (54–84°F)	22–25°C (72–77°F)
pH	6.0–8.0	6.5–7.8
Hardness	5–19 dGH (89–339 ppm)	–
Temperament	Semi-aggressive	–
Community tank	Good	Good
Care level	Easy	–
Diet	Omnivore	Omnivore