Overview
The German Blue Ram (Mikrogeophagus ramirezi) is a freshwater fish belonging to the family Cichlidae. It thrives at temperatures of 26–30 °C with a pH of 5.5–7.0, and requires a minimum tank volume of 80 litres. Known for its peaceful dwarf cichlid; pairs well with small tetras, it is considered a intermediate-level species. Very sensitive to water quality; any ammonia spike or temperature drop can be fatal. Water changes of 25–30 % weekly, stable parameters, and appropriate tank mates are key to long-term success with this species.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Cichlidae |
| Genus | Mikrogeophagus |
| Species | Mikrogeophagus ramirezi |
| Water type | freshwater |
| Native range | Orinoco|Neotropical|Cuenca Orinoco|Complejo Humedales Hato Corozal |
Natural Habitat
Mikrogeophagus ramirezi originates from Orinoco|Neotropical|Cuenca Orinoco|Complejo Humedales Hato Corozal. It inhabits freshwater environments and is adapted to the water conditions found in its native range.
Appearance
Adults reach 5–7 cm in length. The body is freshwater and the species displays characteristic coloration suited to its environment.
Behavior
This species is described as a peaceful dwarf cichlid; pairs well with small tetras. It does not school and can be kept individually or in small numbers. Activity level is low. Very sensitive to water quality; any ammonia spike or temperature drop can be fatal.
| Trait | Value |
|---|---|
| Temperament | peaceful dwarf cichlid; pairs well with small tetras |
| Schooling | No |
| Activity level | low |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 26–30°C (79–86°F) | Use a reliable adjustable heater |
| pH | 5.5–7 | Avoid sudden swings |
| Hardness (GH) | 2–10 dGH dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <10 ppm | Manage through regular partial water changes |
| Min. tank | 80L (21 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- The vivid red belly spot is more pronounced in females and intensifies when breeding.
- German Blue Rams were first described from Venezuela's Orinoco River drainage in 1948.
- Short wild lifespan (1–2 years) means captive fish are often already adults when purchased.
📋 Full Care Guide
Ready to set up a tank for your German Blue Ram? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read German Blue Ram Care Guide →Related Species
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This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.