Can Gold Barb and Reedfish (Ropefish) Live Together?

Reviewed by Guidarium Editorial DeskUpdated April 28, 2026
Ideal Tank Mates

Yes, Gold Barb and Reedfish (Ropefish) 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 180 litres is recommended.


At a Glance

Gold Barb

Barbodes semifasciolatus

Reedfish (Ropefish)

Erpetoichthys calabaricus

🐠Family Group
Gold Barb
Cyprinids
Reedfish (Ropefish)
Oddballs
Temperament
Gold Barb
Peaceful (2/10)
Reedfish (Ropefish)
Mostly Peaceful (3/10)
Temperature
✓ Compatible
Gold Barb
16–24°C
Reedfish (Ropefish)
22–28°C
pH Range
✓ Compatible
Gold Barb
6–8
Reedfish (Ropefish)
6–7.5
Hardness (dGH)
✓ Compatible
Gold Barb
2–20
Reedfish (Ropefish)
5–20
Water Type
✓ Compatible
Gold Barb
Freshwater Only
Reedfish (Ropefish)
Freshwater Only
Flow Preference
✓ Compatible
Gold Barb
Moderate
Reedfish (Ropefish)
Low
Min Tank Volume
Combined: 180 L
Gold Barb
75 L
Reedfish (Ropefish)
180 L
Swimming Level
Shared: 2 zones
Gold Barb
MiddleBottom
Reedfish (Ropefish)
BottomMiddle
🏷️Behavior Tags
Gold Barb
Hyperactive / Fast SwimmerFry Predator
Reedfish (Ropefish)
Piscivore (Eats small/nano fish)Shrimp EaterJumper (Lid Required)NocturnalHyperactive / Fast SwimmerSlime Coat Eater (Attacks Flat Fish)
Stocking calculator

Can your tank handle Gold Barb and Reedfish (Ropefish)?

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.

Gold Barb
Reedfish (Ropefish)
Test both in my tank

Behaviour & Temperament

Gold Barb is a peaceful species (2/10), while Reedfish (Ropefish) is generally mild-mannered (3/10). This modest difference means Reedfish (Ropefish) may occasionally assert dominance over Gold Barb.

Gold Barb and Reedfish (Ropefish) both frequent the Middle (Open Water) and 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.

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 24°C. Aim for the midpoint of this range (around 23.0°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 5–20 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Gold Barb and Reedfish (Ropefish) together, plan for an aquarium of at least 180 litres with a minimum length of 120 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, Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding). Meeting these requirements will help both species thrive.

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

Why This Pairing Works in Practice

Gold Barb and Reedfish (Ropefish) work best when the tank gives each fish enough room to use its preferred level of the aquarium and enough cover to avoid constant visual contact. The score matters, but the real-world success usually comes from matching their pace, keeping water stable, and resisting the urge to crowd the tank just because the pair looks safe on paper.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Gold Barb and Reedfish (Ropefish).

Show 5 more tank sizes

Frequently Asked Questions

Can Gold Barb and Reedfish (Ropefish) live together?

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

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

A minimum of 180 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 Gold Barb and Reedfish (Ropefish) together?

Keep the aquarium between 22°C and 24°C. A target of around 23.0°C sits comfortably within both species' preferred ranges.

Are Gold Barb or Reedfish (Ropefish) aggressive?

Gold Barb is peaceful (2/10) and Reedfish (Ropefish) is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Gold Barb and Reedfish (Ropefish) 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.

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.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
April 28, 2026
Last updated
April 28, 2026
Issues or corrections?
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