Can Balloon Molly and Red Goldflake Shrimp Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Balloon Molly and Red Goldflake Shrimp are not recommended as tank mates due to incompatible hardness ranges. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Balloon Molly

Poecilia latipinna hybrid

Red Goldflake Shrimp

Caridina sp. Red Goldflake

🐠Family Group
Balloon Molly
Livebearers
Red Goldflake Shrimp
Invertebrates
Temperament
Balloon Molly
Mostly Peaceful (3/10)
Red Goldflake Shrimp
Peaceful (0/10)
Temperature
✓ Compatible
Balloon Molly
24–28°C
Red Goldflake Shrimp
26–29°C
pH Range
✓ Compatible
Balloon Molly
7–8.5
Red Goldflake Shrimp
7.5–8.5
Hardness (dGH)
✗ No overlap
Balloon Molly
12–25
Red Goldflake Shrimp
4–10
Water Type
✓ Compatible
Balloon Molly
Brackish Tolerant
Red Goldflake Shrimp
Freshwater Only
Flow Preference
✓ Compatible
Balloon Molly
Low
Red Goldflake Shrimp
Low
Min Tank Volume
Combined: 75 L
Balloon Molly
75 L
Red Goldflake Shrimp
38 L
Swimming Level
✓ Different zones
Balloon Molly
TopMiddle
Red Goldflake Shrimp
Bottom
🏷️Behavior Tags
Balloon Molly
Hyperactive / Fast SwimmerFry Predator
Red Goldflake Shrimp
Nano / Bite-sized (Predation Risk)Shy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Balloon Molly and Red Goldflake Shrimp?

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.

Balloon Molly
Red Goldflake Shrimp
Test both in my tank

Behaviour & Temperament

Balloon Molly is a generally mild-mannered species (3/10), while Red Goldflake Shrimp is peaceful (0/10). This modest difference means Balloon Molly may occasionally assert dominance over Red Goldflake Shrimp.

In terms of spatial distribution, Balloon Molly prefers the Top (Surface) and Middle (Open Water) zones, whereas Red Goldflake Shrimp 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.

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

Water Parameters

The safe temperature window for both species falls between 26°C and 28°C. Aim for the midpoint of this range (around 27.0°C) for optimal comfort.

Both fish can tolerate a pH between 7.5 and 8.5. Maintaining a stable value within this band is more important than hitting an exact number.

Hardness requirements are incompatible: Balloon Molly needs 12–25 dGH while Red Goldflake Shrimp requires 4–10 dGH.

Tank Setup

To house Balloon Molly and Red Goldflake Shrimp together, plan for an aquarium of at least 75 litres with a minimum length of 60 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: Established Algae (Otocinclus), Plants - Densely covered, 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

Balloon Molly and Red Goldflake Shrimp 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 Balloon Molly and Red Goldflake Shrimp.

Show 17 more tank sizes

Frequently Asked Questions

Can Balloon Molly and Red Goldflake Shrimp live together?

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

What size tank do Balloon Molly and Red Goldflake Shrimp need?

A minimum of 75 litres (tank length at least 60 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 Balloon Molly and Red Goldflake Shrimp together?

Keep the aquarium between 26°C and 28°C. A target of around 27.0°C sits comfortably within both species' preferred ranges.

Are Balloon Molly or Red Goldflake Shrimp aggressive?

Balloon Molly is generally mild-mannered (3/10) and Red Goldflake Shrimp is peaceful (0/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Balloon Molly and Red Goldflake Shrimp need?

Both species overlap in the 7.5–8.5 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?
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