The german blue ram (Mikrogeophagus ramirezi) is a peaceful fish that grows to about 3 inches and spends its time near the bottom. It can be kept on its own, in a tank of 20 gallons or more, at 78–85°F and pH 5–7.
20 galsmallest tank
3″adult size
78–85°Ftemperature
5–7pH
1+group size
Peacefultemperament
Good tankmates
Avoid
- ✕Zebra danio: German blue ram and Zebra danio need different temperatures (78–85°F vs 65–77°F).
- ✕White cloud mountain minnow: German blue ram and White cloud mountain minnow need different temperatures (78–85°F vs 60–72°F).
- ✕Gold barb: German blue ram and Gold barb need different temperatures (78–85°F vs 64–75°F).
- ✕Rosy barb: German blue ram and Rosy barb need different temperatures (78–85°F vs 64–72°F).
- ✕Molly: German blue ram and Molly prefer different water (pH 5–7 vs 7.5–8.5).
- ✕Paradise fish: Paradise fish is aggressive and best kept alone.
- ✕Convict cichlid: Convict cichlid is aggressive and best kept alone.
- ✕Oscar: Oscar is aggressive and best kept alone.
From TankCoach's own species data: common hobby guidance for adults, rounded. Individual fish vary. Not veterinary advice.