HomeCompare fishSpotted ctenopoma vs Gulf gambusia Spotted ctenopoma vs Gulf gambusia: can they live together? Verdict: Not recommendedThe Spotted ctenopoma is aggressive towards other fish.An adult Spotted ctenopoma is about 3 times the length of a Gulf gambusia and may eat it.Both are comfortable at 22–25°C (72–77°F).A pH of 6.5–7.8 suits both.Side by sideSpotted ctenopomaGulf gambusiaAdult size15 cm (5.9 in)5 cm (2 in)Minimum tank210 L (55 US gal)20 L (5 US gal)Temperature5–25°C (41–77°F)22–25°C (72–77°F)pH6.0–8.06.5–7.8Hardness5–12 dGH (89–214 ppm)–TemperamentAggressive–Community tankGoodGoodCare levelEasy–DietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreGulf gambusiaGambusia vittata