Quick Stats
| Adult Size | 30–40 cm |
| Minimum Tank | 55 gal |
| Temperature | 22–28°C |
| pH Range | 6.0–7.5 |
| Hardness (GH) | 4–15 dGH |
| Difficulty | Easy |
| Temperament | Peaceful |
| Diet | Carnivore — bloodworm, earthworms, small fish, sinking pellets |
| Schooling | 2–3 rec. |
Tank Setup
The Rope Fish (Erpetoichthys calabaricus) requires a minimum tank size of 55 gal. For a species this size, a larger tank is always better — more water volume means more stable parameters and a healthier environment.
Water parameters should be maintained within the following ranges: temperature 22–28°C, pH 6.0–7.5, and hardness 4–15 dGH. These are relatively tolerant fish that adapt to a range of conditions.
Provide appropriate hiding places, a suitable substrate, and open swimming space to match the natural behaviour of this species.
Tank Mates
Rope Fish are peaceful fish. They work well in community tanks with similarly-sized peaceful species.
Compatible tank mates include: Medium peaceful fish, Corydoras, Bristlenose Pleco, Rainbowfish. Avoid housing with aggressive or much larger fish.
Schooling requirements: 2–3 rec..
Diet & Feeding
Rope Fish are Carnivore. Their diet should reflect their natural feeding habits.
Carnivore — bloodworm, earthworms, small fish, sinking pellets
Feed small amounts 1–2 times daily. Only provide what the fish can consume within 2–3 minutes to prevent overfeeding and water quality issues.
Common Health Issues
Like all aquarium fish, Rope Fish can be susceptible to common diseases including ich (white spot disease), fin rot, and bacterial infections. This species is generally hardy and disease-resistant when kept in good conditions.
Prevention is always better than treatment. Maintain stable water parameters, avoid overfeeding, quarantine new fish before adding them to the main tank, and perform regular water changes. A regular maintenance routine will prevent most health issues.
If disease does occur, isolate affected fish in a quarantine tank and treat appropriately. Always research medication compatibility before use — some treatments are toxic to invertebrates and scaleless fish.
Breeding
Breeding Rope Fish is possible in the home aquarium.
Provide appropriate breeding conditions — caves or hiding places for egg-laying species. Condition breeding pairs with high-quality foods before attempting to spawn them.
Many Rope Fish will breed readily without intervention. Be prepared to remove eggs or fry if you want to raise them — adult fish may eat their own young.
Frequently Asked Questions
What size tank does a Rope Fish need?
A Rope Fish needs a minimum tank size of 55 gal. However, larger is always better — more water volume means more stable water parameters and healthier fish.
Are Rope Fish easy to keep?
Rope Fish are rated as Easy difficulty. Beginners can keep them successfully with proper research and a cycled tank.
What do Rope Fish eat?
Rope Fish are Carnivore. Feed a varied diet including bloodworm, earthworms, small fish, sinking pellets.
Can Rope Fish live with other fish?
Rope Fish are peaceful. Compatible tankmates include: Medium peaceful fish, Corydoras, Bristlenose Pleco, Rainbowfish. They work well in community tanks with similarly-sized peaceful fish.