HomeCompare fishCrescent betta vs Eel Loach Crescent betta vs Eel Loach: can they live together? Verdict: Not recommendedAn adult Eel Loach is about 32 times the length of a Crescent betta and may eat it.Both are comfortable at 24–26°C (75–79°F).A pH of 6.0 suits both.Side by sideCrescent bettaEel LoachAdult size6 cm (2.4 in)190.5 cm (75 in)Minimum tank40 L (11 US gal)75 L (20 US gal)Temperature24–30°C (75–86°F)24–26°C (75–79°F)pH6.0–7.05.0–6.0Hardness5–19 dGH (89–339 ppm)5–12 dGH (89–214 ppm)TemperamentPeacefulPeacefulCommunity tankGoodGoodCare levelEasyEasyDietOmnivoreCarnivoreSpecies profilesCrescent bettaBetta imbellisEel LoachPangio anguillaris