Can Boeseman's Rainbowfish and Reedfish (Ropefish) Live Together?

🟢Ideal Tank Mates

Yes, Boeseman's Rainbowfish 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 240 litres is recommended.


At a Glance

Boeseman's Rainbowfish

Melanotaenia boesemani

Reedfish (Ropefish)

Erpetoichthys calabaricus

🐠Family Group
Boeseman's Rainbowfish
Rainbowfish
Reedfish (Ropefish)
Oddballs
Temperament
Boeseman's Rainbowfish
Peaceful (2/10)
Reedfish (Ropefish)
Mostly Peaceful (3/10)
Temperature
✓ Compatible
Boeseman's Rainbowfish
26–30°C
Reedfish (Ropefish)
22–28°C
pH Range
✓ Compatible
Boeseman's Rainbowfish
7–8.1
Reedfish (Ropefish)
6–7.5
Hardness (dGH)
✓ Compatible
Boeseman's Rainbowfish
9–19
Reedfish (Ropefish)
5–20
Water Type
✓ Compatible
Boeseman's Rainbowfish
Freshwater Only
Reedfish (Ropefish)
Freshwater Only
Flow Preference
✓ Compatible
Boeseman's Rainbowfish
Moderate
Reedfish (Ropefish)
Low
Min Tank Volume
Combined: 240 L
Boeseman's Rainbowfish
200 L
Reedfish (Ropefish)
180 L
Swimming Level
Shared: 1 zone
Boeseman's Rainbowfish
TopMiddle
Reedfish (Ropefish)
BottomMiddle
🏷️Behavior Tags
Boeseman's Rainbowfish
Hyperactive / Fast SwimmerAggressive Eater (Starves shy fish)Jumper (Lid Required)
Reedfish (Ropefish)
Piscivore (Eats small/nano fish)Shrimp EaterJumper (Lid Required)NocturnalHyperactive / Fast SwimmerSlime Coat Eater (Attacks Flat Fish)

Behaviour & Temperament

Boeseman's Rainbowfish 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 Boeseman's Rainbowfish.

Boeseman's Rainbowfish and Reedfish (Ropefish) 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, Boeseman's Rainbowfish is a known jumper, so a tight-fitting lid is essential.

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 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 9–19 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Boeseman's Rainbowfish and Reedfish (Ropefish) together, plan for an aquarium of at least 240 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: Plants - lighly covered, Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), Plants - Densely covered. 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.

Frequently Asked Questions

Can Boeseman's Rainbowfish and Reedfish (Ropefish) live together?

Yes. Boeseman's Rainbowfish 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 Boeseman's Rainbowfish and Reedfish (Ropefish) need?

A minimum of 240 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 Boeseman's Rainbowfish and Reedfish (Ropefish) 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 Boeseman's Rainbowfish or Reedfish (Ropefish) aggressive?

Boeseman's Rainbowfish 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 Boeseman's Rainbowfish and Reedfish (Ropefish) 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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