HomeCompare fishSpotted ctenopoma vs Glowlight tetra Spotted ctenopoma vs Glowlight tetra: 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 Glowlight tetra and may eat it.Both are comfortable at 24–25°C (75–77°F).A pH of 6.0–8.0 suits both.Side by sideSpotted ctenopomaGlowlight tetraAdult size15 cm (5.9 in)5 cm (2 in)Minimum tank210 L (55 US gal)40 L (11 US gal)Temperature5–25°C (41–77°F)24–28°C (75–82°F)pH6.0–8.06.0–8.0Hardness5–12 dGH (89–214 ppm)5–12 dGH (89–214 ppm)TemperamentAggressivePeacefulCommunity tankGoodExcellentCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreGlowlight tetraHemigrammus erythrozonus