Ropefish

Erpetoichthys calabaricus

Ropefish (Erpetoichthys calabaricus) — Varies care, Peaceful, under Other. Minimum tank in the app: 143 US gal min; aim for 73–86°F and pH 6.5–7.5. Ropefish are captivating for aquarists who appreciate unique, serpentine movements and a mid-water presence.

Ropefish (Erpetoichthys calabaricus) in a planted freshwater aquarium
Care levelVaries
TemperamentPeaceful
Min tank size143 US gal min
pH range6.5–7.5
Temperature73–86°F
Max size14.6 in (37.0 cm)
Captive lifespan15–25 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Africa

  • Africa

Regional colours match the stocking calculator’s origin map.

Ropefish Tank Setup

A spacious layout with plenty of hiding places, such as driftwood and dense plant cover, is essential. Ensure good water flow and maintain a soft substrate to mimic their natural habitat. Lighting should be moderate, allowing for shaded areas, which help reduce stress and encourage natural behaviors.

What Do Ropefishs Eat?

Ropefish are opportunistic feeders, often competing for food if not adequately spaced during feeding. They do best on a varied diet that includes both meaty and plant-based options to enhance their coloration and overall health.

Ropefish Tank Mates

Ideal companions are similarly sized, calm species that occupy different swimming zones to minimize territorial conflicts. Caution is advised with smaller or overly aggressive fish, as their fast swimming can provoke stress. While they can coexist with other semi-aggressive species, maintaining individual space is crucial to prevent skirmishes.

Are Ropefishs Good for Beginners?

Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the space requirements and bioload of ropefish, leading to poor water conditions and stress. neglecting to provide sufficient cover can result in increased aggression and skittishness, ultimately affecting their health and wellbeing.

Building a community? Run the full list through the stocking calculator before you add anything else.

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