HomeCompare fishBadis vs Roundtail paradisefish Badis vs Roundtail paradisefish: can they live together? Verdict: With cautionThe Roundtail paradisefish can be semi-aggressive or nip fins.The Badis can be semi-aggressive or nip fins.Both are comfortable at 23–26°C (73–79°F).A pH of 6.0–8.0 suits both.Minimum tank for the pair: 115 L (30 US gal)Side by sideBadisRoundtail paradisefishAdult size8 cm (3.1 in)7 cm (2.8 in)Minimum tank75 L (20 US gal)115 L (30 US gal)Temperature23–26°C (73–79°F)16–26°C (61–79°F)pH6.0–8.06.0–8.0Hardness5–19 dGH (89–339 ppm)5–19 dGH (89–339 ppm)TemperamentSemi-aggressiveSemi-aggressiveCommunity tankWith caution–Care level–EasyDietCarnivoreCarnivoreSpecies profilesBadisBadis badisRoundtail paradisefishMacropodus opercularis