Can Reedfish (Ropefish) and Rosy Barb Live Together?

🟢Ideal Tank Mates

Yes, Reedfish (Ropefish) and Rosy Barb are ideal tank mates. Both species share compatible water parameters and peaceful temperaments, making them well-suited for a community aquarium. A minimum tank size of 216 litres is recommended.


At a Glance

Reedfish (Ropefish)

Erpetoichthys calabaricus

Rosy Barb

Pethia conchonius

🐠Family Group
Reedfish (Ropefish)
Oddballs
Rosy Barb
Cyprinids
Temperament
Reedfish (Ropefish)
Mostly Peaceful (3/10)
Rosy Barb
Mostly Peaceful (3/10)
Temperature
✓ Compatible
Reedfish (Ropefish)
22–28°C
Rosy Barb
18–25°C
pH Range
✓ Compatible
Reedfish (Ropefish)
6–7.5
Rosy Barb
6–8
Hardness (dGH)
✓ Compatible
Reedfish (Ropefish)
5–20
Rosy Barb
4–15
Water Type
✓ Compatible
Reedfish (Ropefish)
Freshwater Only
Rosy Barb
Freshwater Only
Flow Preference
✓ Compatible
Reedfish (Ropefish)
Low
Rosy Barb
Moderate
Min Tank Volume
Combined: 216 L
Reedfish (Ropefish)
180 L
Rosy Barb
110 L
Swimming Level
Shared: 2 zones
Reedfish (Ropefish)
BottomMiddle
Rosy Barb
MiddleBottom
🏷️Behavior Tags
Reedfish (Ropefish)
Piscivore (Eats small/nano fish)Shrimp EaterJumper (Lid Required)NocturnalHyperactive / Fast SwimmerSlime Coat Eater (Attacks Flat Fish)
Rosy Barb
Hyperactive / Fast SwimmerFin NipperAggressive Eater (Starves shy fish)Plant Destroyer

Behaviour & Temperament

Both Reedfish (Ropefish) and Rosy Barb are generally mild-mannered species with an aggression score of 3/10. Their matching temperaments mean neither fish is likely to dominate the other in a shared aquarium.

Reedfish (Ropefish) and Rosy Barb both frequent the Bottom (Substrate) and Middle (Open Water) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Worth noting: Reedfish (Ropefish) is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Reedfish (Ropefish) is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 22°C and 25°C. Aim for the midpoint of this range (around 23.5°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 7.5. 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. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Reedfish (Ropefish) and Rosy Barb together, plan for an aquarium of at least 216 litres with a minimum length of 120 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

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), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), Plants - Densely covered. Meeting these requirements will help both species thrive.

Note a potential conflict in setup requirements: Rosy Barb is a plant destroyer, which conflicts with Reedfish (Ropefish)'s requirement for live plants. Compromise where possible or prioritise the more critical need.

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

Find the right tank equipment

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Frequently Asked Questions

Can Reedfish (Ropefish) and Rosy Barb live together?

Yes. Reedfish (Ropefish) and Rosy Barb are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Reedfish (Ropefish) and Rosy Barb need?

A minimum of 216 litres (tank length at least 120 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 Reedfish (Ropefish) and Rosy Barb together?

Keep the aquarium between 22°C and 25°C. A target of around 23.5°C sits comfortably within both species' preferred ranges.

Are Reedfish (Ropefish) or Rosy Barb aggressive?

Reedfish (Ropefish) is generally mild-mannered (3/10) and Rosy Barb is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Reedfish (Ropefish) and Rosy Barb need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Rosy Barb nip Reedfish (Ropefish)'s fins?

Rosy Barb is a known fin nipper. If Reedfish (Ropefish) has long or flowing fins, there is a real risk of fin damage. Keeping Rosy Barb in a larger group can help redirect nipping behaviour toward conspecifics.

Does Reedfish (Ropefish) being nocturnal affect compatibility?

Reedfish (Ropefish) 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 Reedfish (Ropefish) during evening hours.


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