Can Garnet Tetra and Shovelnose Sturgeon Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Garnet Tetra and Shovelnose Sturgeon are not recommended as tank mates due to no temperature overlap and piscivorous fish will prey on nano-sized tank mates.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Garnet Tetra

Hemigrammus pulcher

Shovelnose Sturgeon

Scaphirhynchus platorynchus

🐠Family Group
Garnet Tetra
Characins
Shovelnose Sturgeon
Oddballs
Temperament
Garnet Tetra
Peaceful (1/10)
Shovelnose Sturgeon
Mostly Peaceful (3/10)
Temperature
✗ No overlap
Garnet Tetra
23–27°C
Shovelnose Sturgeon
10–22°C
pH Range
✓ Compatible
Garnet Tetra
5–7
Shovelnose Sturgeon
6.8–8
Hardness (dGH)
✓ Compatible
Garnet Tetra
2–10
Shovelnose Sturgeon
8–20
Water Type
✓ Compatible
Garnet Tetra
Freshwater Only
Shovelnose Sturgeon
Freshwater Only
Flow Preference
✗ No overlap
Garnet Tetra
Low
Shovelnose Sturgeon
High
Min Tank Volume
Combined: 3000 L
Garnet Tetra
60 L
Shovelnose Sturgeon
3000 L
Swimming Level
✓ Different zones
Garnet Tetra
Middle
Shovelnose Sturgeon
Bottom
🏷️Behavior Tags
Garnet Tetra
Nano / Bite-sized (Predation Risk)Shy / 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 Garnet Tetra 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.

Garnet Tetra
Shovelnose Sturgeon
Test both in my tank

Behaviour & Temperament

Garnet Tetra is a peaceful species (1/10), while Shovelnose Sturgeon is generally mild-mannered (3/10). This modest difference means Shovelnose Sturgeon may occasionally assert dominance over Garnet Tetra.

In terms of spatial distribution, Garnet Tetra prefers the Middle (Open Water) zone, whereas Shovelnose Sturgeon occupies the Bottom (Substrate) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

There is a critical concern: the Nano / Bite-sized (Predation Risk) behaviour of one fish directly conflicts with the Piscivore (Eats small/nano fish) trait of the other — piscivorous fish will prey on nano-sized tank mates..

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion. Shrimp eaters may also prey on very small nano fish.

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

Water Parameters

There is no temperature overlap between Garnet Tetra (23–27°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 8–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Garnet Tetra 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: Plants - Densely covered, Plants - Floating, Leaf Litter/Blackwater, Sand (Sifters), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Garnet Tetra 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

Garnet Tetra 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.

Diet & Feeding

Feeding time deserves special attention with this pairing. Shovelnose Sturgeon is a known shrimp eater and may prey on small invertebrates or nano fish like Garnet Tetra.

Frequently Asked Questions

Can Garnet Tetra 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 Garnet Tetra 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 Garnet Tetra and Shovelnose Sturgeon together?

Unfortunately, there is no temperature range that satisfies both species. Garnet Tetra requires 23–27°C, while Shovelnose Sturgeon needs 10–22°C.

Are Garnet Tetra or Shovelnose Sturgeon aggressive?

Garnet Tetra is peaceful (1/10) and Shovelnose Sturgeon is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Garnet Tetra 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.

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

Related Comparisons