HomeCompare fishSpotted ctenopoma vs Black sharkminnow Spotted ctenopoma vs Black sharkminnow: can they live together? Verdict: Not recommendedThe Spotted ctenopoma is aggressive towards other fish.An adult Black sharkminnow is about 6 times the length of a Spotted ctenopoma and may eat it.Both are comfortable at 24–25°C (75–77°F).A pH of 6.5–7.5 suits both.Side by sideSpotted ctenopomaBlack sharkminnowAdult size15 cm (5.9 in)90 cm (35 in)Minimum tank210 L (55 US gal)475 L (125 US gal)Temperature5–25°C (41–77°F)24–27°C (75–81°F)pH6.0–8.06.5–7.5Hardness5–12 dGH (89–214 ppm)2–15 dGH (36–268 ppm)TemperamentAggressivePeacefulCommunity tankGoodGoodCare levelEasyEasyDietCarnivoreOmnivoreSpecies profilesSpotted ctenopomaCtenopoma acutirostreBlack sharkminnowLabeo chrysophekadion