Can German Blue Ram and Shovelnose Sturgeon Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

German Blue Ram and Shovelnose Sturgeon are not recommended as tank mates due to no temperature overlap. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

German Blue Ram

Mikrogeophagus ramirezi

Shovelnose Sturgeon

Scaphirhynchus platorynchus

🐠Family Group
German Blue Ram
Cichlids - South American
Shovelnose Sturgeon
Oddballs
Temperament
German Blue Ram
Mostly Peaceful (4/10)
Shovelnose Sturgeon
Mostly Peaceful (3/10)
Temperature
✗ No overlap
German Blue Ram
27–30°C
Shovelnose Sturgeon
10–22°C
pH Range
✓ Compatible
German Blue Ram
5–7
Shovelnose Sturgeon
6.8–8
Hardness (dGH)
✓ Compatible
German Blue Ram
1–8
Shovelnose Sturgeon
8–20
Water Type
✓ Compatible
German Blue Ram
Freshwater Only
Shovelnose Sturgeon
Freshwater Only
Flow Preference
✗ No overlap
German Blue Ram
Low
Shovelnose Sturgeon
High
Min Tank Volume
Combined: 3000 L
German Blue Ram
60 L
Shovelnose Sturgeon
3000 L
Swimming Level
Shared: 1 zone
German Blue Ram
MiddleBottom
Shovelnose Sturgeon
Bottom
🏷️Behavior Tags
German Blue Ram
Territorial (Defends specific area)Digger (Disturbs Substrate)Fry PredatorShy / Slow Moving (Easily Stressed)
Shovelnose Sturgeon
Hyperactive / Fast SwimmerDigger (Disturbs Substrate)Shrimp EaterPiscivore (Eats small/nano fish)Jumper (Lid Required)
Stocking calculator

Can your tank handle German Blue Ram and Shovelnose Sturgeon?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

German Blue Ram
Shovelnose Sturgeon
Test both in my tank

Behaviour & Temperament

German Blue Ram is a generally mild-mannered species (4/10), while Shovelnose Sturgeon is generally mild-mannered (3/10). This modest difference means German Blue Ram may occasionally assert dominance over Shovelnose Sturgeon.

German Blue Ram and Shovelnose Sturgeon both frequent the Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

Worth noting: Shovelnose Sturgeon is a known jumper, so a tight-fitting lid is essential.

Water Parameters

There is no temperature overlap between German Blue Ram (27–30°C) and Shovelnose Sturgeon (10–22°C). This fundamental mismatch makes long-term cohabitation impractical.

Both fish can tolerate a pH between 6.8 and 7. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 8–8 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house German Blue Ram and Shovelnose Sturgeon together, plan for an aquarium of at least 3000 litres with a minimum length of 300 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Sand (Sifters), Plants - Densely covered, Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

German Blue Ram prefers Low (Still Water) flow while Shovelnose Sturgeon needs High (River/Stream) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.

Why This Pairing Usually Fails in Practice

German Blue Ram and Shovelnose Sturgeon are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Frequently Asked Questions

Can German Blue Ram and Shovelnose Sturgeon live together?

No. This combination is not recommended. Key incompatibilities — such as non-overlapping temperature ranges — make cohabitation unsafe.

What size tank do German Blue Ram and Shovelnose Sturgeon need?

A minimum of 3000 litres (tank length at least 300 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for German Blue Ram and Shovelnose Sturgeon together?

Unfortunately, there is no temperature range that satisfies both species. German Blue Ram requires 27–30°C, while Shovelnose Sturgeon needs 10–22°C.

Are German Blue Ram or Shovelnose Sturgeon aggressive?

German Blue Ram is generally mild-mannered (4/10) and Shovelnose Sturgeon is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do German Blue Ram and Shovelnose Sturgeon need?

Both species overlap in the 6.8–7 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage German Blue Ram's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives German Blue Ram space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

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