Can Reedfish (Ropefish) and Turquoise Rainbowfish Live Together?

🟢Ideal Tank Mates

Yes, Reedfish (Ropefish) and Turquoise Rainbowfish 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

Turquoise Rainbowfish

Melanotaenia lacustris

🐠Family Group
Reedfish (Ropefish)
Oddballs
Turquoise Rainbowfish
Rainbowfish
Temperament
Reedfish (Ropefish)
Mostly Peaceful (3/10)
Turquoise Rainbowfish
Peaceful (2/10)
Temperature
✓ Compatible
Reedfish (Ropefish)
22–28°C
Turquoise Rainbowfish
20–25°C
pH Range
✓ Compatible
Reedfish (Ropefish)
6–7.5
Turquoise Rainbowfish
7–9
Hardness (dGH)
✓ Compatible
Reedfish (Ropefish)
5–20
Turquoise Rainbowfish
10–25
Water Type
✓ Compatible
Reedfish (Ropefish)
Freshwater Only
Turquoise Rainbowfish
Freshwater Only
Flow Preference
✓ Compatible
Reedfish (Ropefish)
Low
Turquoise Rainbowfish
Moderate
Min Tank Volume
Combined: 216 L
Reedfish (Ropefish)
180 L
Turquoise Rainbowfish
160 L
Swimming Level
Shared: 1 zone
Reedfish (Ropefish)
BottomMiddle
Turquoise Rainbowfish
TopMiddle
🏷️Behavior Tags
Reedfish (Ropefish)
Piscivore (Eats small/nano fish)Shrimp EaterJumper (Lid Required)NocturnalHyperactive / Fast SwimmerSlime Coat Eater (Attacks Flat Fish)
Turquoise Rainbowfish
Hyperactive / Fast SwimmerJumper (Lid Required)Aggressive Eater (Starves shy fish)

Behaviour & Temperament

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

Reedfish (Ropefish) and Turquoise Rainbowfish both frequent the 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 7 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 10–20 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 Turquoise Rainbowfish 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, Plants - lighly covered. 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.

Find the right tank equipment

Browse tanks, décor, and equipment suited for this setup.

Frequently Asked Questions

Can Reedfish (Ropefish) and Turquoise Rainbowfish live together?

Yes. Reedfish (Ropefish) and Turquoise Rainbowfish 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 Turquoise Rainbowfish 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 Turquoise Rainbowfish 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 Turquoise Rainbowfish aggressive?

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

What pH do Reedfish (Ropefish) and Turquoise Rainbowfish need?

Both species overlap in the 7–7.5 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.


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