HomeCompare fishFresh water puffer fish vs Atlantic mudskipper Fresh water puffer fish vs Atlantic mudskipper: can they live together? Verdict: With cautionThe Atlantic mudskipper is best kept in a species tank.The Atlantic mudskipper can be semi-aggressive or nip fins.The Fresh water puffer fish is best kept in a species tank.The Fresh water puffer fish grows about twice as long as the Atlantic mudskipper; watch for bullying or predation.Both are comfortable at 25–26°C (77–79°F).A pH of 7.5–8.0 suits both.Minimum tank for the pair: 1,515 L (400 US gal)Side by sideFresh water puffer fishAtlantic mudskipperAdult size67 cm (26 in)25 cm (9.8 in)Minimum tank1,515 L (400 US gal)150 L (40 US gal)Temperature24–26°C (75–79°F)25–30°C (77–86°F)pH7.5–8.37.0–8.0Hardness5–15 dGH (89–268 ppm)10–25 dGH (178–446 ppm)Temperament–Semi-aggressiveCommunity tankNot suitableNot suitableCare level–EasyDiet–CarnivoreSpecies profilesFresh water puffer fishTetraodon mbuAtlantic mudskipperPeriophthalmus barbarus