German blue ram
Mikrogeophagus ramirezi
Photo: Sven Kullander · CC BY-SA 4.0
- Adult size
- 5 cm2 in
- Start with
- 1
- Tank length
- 60 cm24 in
- Lifespan
- 3–6 yrs
- Temperature
- 26–30 °C79–86 °F
- pH
- 5–7
- Hardness
- 5–12 dGH
- Diet
- omnivore
Warm soft water and a mature aquarium matter more than bright colour.Warm soft water and a mature aquarium matter more than bright colour.
Tank sizes
Good tankmates
Avoid with
Cherry shrimpGerman blue ram may eat Cherry shrimp and their youngGerman blue ram may eat Cherry shrimp and their young
- Acei cichlid
No shared pH rangeNo shared pH range
- African clawed frog
No shared temperature rangeNo shared temperature range
- Ajamaru rainbowfish
No shared pH rangeNo shared pH range
- Angfa rainbowfish
No shared pH rangeNo shared pH range
- Arfak rainbowfish
No shared pH rangeNo shared pH range
- Batanta rainbowfish
No shared pH rangeNo shared pH range
- Blackline rasbora
No shared temperature rangeNo shared temperature range
- Blue acara
No shared temperature rangeNo shared temperature range
- Blue lyretail
No shared temperature rangeNo shared temperature range
- Blue rainbowfish
No shared pH rangeNo shared pH range
- Brevis shell dweller
No shared pH rangeNo shared pH range
Sources
| temperature | 26–30 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
|---|---|---|
| ph | 5–7 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
| gh | 5–12 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
| origin | Tropical Americas or Africa | curated-v0 (needs expert review) · low |
| notes | Warm soft water and a mature aquarium matter more than bright colour. | curated-v0 (needs expert review) · medium |
| beginner friendly | false | curated-v0 (needs expert review) · medium |
| care level | moderate | curated-v0 (needs expert review) · medium |
| color palette | #9EAA99, #465858 | curated-v0 (needs expert review) · low |
| activity | sedentary | curated-v0 (needs expert review) · medium |
| swim zone | bottom | curated-v0 (needs expert review) · medium |
| temperament | semi-aggressive | curated-v0 (needs expert review) · medium |
| fin nipper | false | curated-v0 (needs expert review) · medium |
| long finned | false | curated-v0 (needs expert review) · medium |
| territorial | true | curated-v0 (needs expert review) · medium |
| schooling | false | curated-v0 (needs expert review) · medium |
| schooling min | 1 | curated-v0 (needs expert review) · medium |
| diet | omnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 3–6 | curated-v0 (needs expert review) · low |
| growth to adult months | 12 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.012,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | true | curated-v0 (needs expert review) · medium |
| min tank length | 60 | curated-v0 (needs expert review) · medium |
| body shape | cichlid | curated-v0 (needs expert review) · medium |