HomeCompare fishGarnet tetra vs Mosquitofish Garnet tetra vs Mosquitofish: can they live together? Verdict: With cautionThe Mosquitofish can be semi-aggressive or nip fins.Both are comfortable at 23–27°C (73–81°F).A pH of 6.0 suits both.Minimum tank for the pair: 55 L (15 US gal)Side by sideGarnet tetraMosquitofishAdult size5 cm (2 in)4 cm (1.6 in)Minimum tank55 L (15 US gal)40 L (11 US gal)Temperature23–27°C (73–81°F)12–29°C (54–84°F)pH5.0–6.06.0–8.0Hardness5–12 dGH (89–214 ppm)5–19 dGH (89–339 ppm)TemperamentPeacefulSemi-aggressiveCommunity tankExcellentGoodCare level–EasyDietOmnivoreOmnivoreSpecies profilesGarnet tetraHemigrammus pulcherMosquitofishGambusia affinis