Can Freshwater Sole and Silvertip Tetra Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Freshwater Sole and Silvertip Tetra are not recommended as tank mates due to 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

Freshwater Sole

Brachirus selheimi

Silvertip Tetra

Hasemania nana

🐠Family Group
Freshwater Sole
Oddballs
Silvertip Tetra
Characins
Temperament
Freshwater Sole
Mostly Peaceful (4/10)
Silvertip Tetra
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Freshwater Sole
22–28°C
Silvertip Tetra
22–28°C
pH Range
✓ Compatible
Freshwater Sole
6.5–7.8
Silvertip Tetra
6–8
Hardness (dGH)
✓ Compatible
Freshwater Sole
5–15
Silvertip Tetra
2–15
Water Type
✓ Compatible
Freshwater Sole
Brackish Tolerant
Silvertip Tetra
Freshwater Only
Flow Preference
✓ Compatible
Freshwater Sole
Low
Silvertip Tetra
Moderate
Min Tank Volume
Combined: 110 L
Freshwater Sole
110 L
Silvertip Tetra
60 L
Swimming Level
✓ Different zones
Freshwater Sole
Bottom
Silvertip Tetra
Middle
🏷️Behavior Tags
Freshwater Sole
Piscivore (Eats small/nano fish)Shrimp EaterFry PredatorDigger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)Nocturnal
Silvertip Tetra
Nano / Bite-sized (Predation Risk)Hyperactive / Fast SwimmerFin Nipper
Stocking calculator

Can your tank handle Freshwater Sole and Silvertip Tetra?

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.

Freshwater Sole
Silvertip Tetra
Test both in my tank

Behaviour & Temperament

Both Freshwater Sole and Silvertip Tetra are generally mild-mannered species with an aggression score of 4/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.

In terms of spatial distribution, Freshwater Sole prefers the Bottom (Substrate) zone, whereas Silvertip Tetra occupies the Middle (Open Water) 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 Piscivore (Eats small/nano fish) behaviour of one fish directly conflicts with the Nano / Bite-sized (Predation Risk) 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: Freshwater Sole is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

Water Parameters

The safe temperature window for both species falls between 22°C and 28°C. Aim for the midpoint of this range (around 25.0°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 7.8. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Freshwater Sole and Silvertip Tetra together, plan for an aquarium of at least 110 litres with a minimum length of 90 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). Meeting these requirements will help both species thrive.

Both species do well with low (still water) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Freshwater Sole and Silvertip Tetra 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Freshwater Sole and Silvertip Tetra.

Show 10 more tank sizes

Diet & Feeding

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

Frequently Asked Questions

Can Freshwater Sole and Silvertip Tetra live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Freshwater Sole and Silvertip Tetra need?

A minimum of 110 litres (tank length at least 90 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 Freshwater Sole and Silvertip Tetra together?

Keep the aquarium between 22°C and 28°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.

Are Freshwater Sole or Silvertip Tetra aggressive?

Freshwater Sole is generally mild-mannered (4/10) and Silvertip Tetra is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Freshwater Sole and Silvertip Tetra need?

Both species overlap in the 6.5–7.8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Silvertip Tetra nip Freshwater Sole's fins?

Silvertip Tetra is a known fin nipper. If Freshwater Sole has long or flowing fins, there is a real risk of fin damage. Keeping Silvertip Tetra in a larger group can help redirect nipping behaviour toward conspecifics.

Does Freshwater Sole being nocturnal affect compatibility?

Freshwater Sole is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Freshwater Sole during evening hours.

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?
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