If you’re a fish enthusiast, you may have heard about the fascinating rope fish and wondered if it would make a good tank mate for guppies. In this comprehensive guide, we’ll explore the question, “Will rope fish eat guppies?” and provide you with all the information you need to make an informed decision. So, let’s dive in and unravel the mysteries surrounding these two fish species!

Beautiful Ornamental Fishes in Tank

Will Rope Fish Eat Guppies?

The short answer is yes, rope fish have been known to eat guppies. However, the likelihood of rope fish preying on guppies depends on various factors, such as their size, temperament, and tank conditions. Understanding these factors will help you create a harmonious aquatic environment for both species.

Size Matters

One crucial aspect to consider is the size difference between rope fish and guppies. Rope fish can grow up to 20 inches in length, while guppies typically reach a maximum length of 2 inches. This significant size difference makes guppies vulnerable to becoming prey for rope fish.

To mitigate the risk, it’s recommended to keep rope fish and guppies in separate tanks or provide ample hiding places for the guppies, such as dense vegetation or small caves. These hiding spots offer guppies a safe retreat, reducing the chances of them being targeted by the rope fish.

Temperament and Behavior

Another factor to consider is the temperament and behavior of both rope fish and guppies. Rope fish are known to be relatively peaceful and prefer a slow-moving, tranquil environment. On the other hand, guppies are lively and fast swimmers, often displaying vibrant colors and energetic behavior.

Rope fish are primarily nocturnal hunters, whereas guppies are diurnal and more active during the day. This difference in activity patterns can reduce the likelihood of direct encounters between the two species, minimizing the risk of predation.

Temperament and Behavior

FAQs about Rope Fish and Guppies

Q1. Can rope fish and guppies coexist peacefully?

Yes, it is possible for rope fish and guppies to coexist peacefully under the right conditions. Providing ample hiding places and monitoring the tank closely can help create a harmonious environment.

Q2. What should I feed rope fish and guppies?

Rope fish are carnivorous and feed on small fish, shrimp, and insects. Guppies, on the other hand, are omnivores and can be fed a diet of high-quality fish flakes, pellets, and live or frozen foods such as brine shrimp or daphnia.

Q3. Will rope fish eat other tank mates besides guppies?

Rope fish have a relatively large mouth and can potentially eat smaller fish. It’s important to consider the size and compatibility of other tank mates to ensure their safety.

Q4. Can rope fish and guppies breed together?

No, rope fish and guppies cannot interbreed. They belong to different families, with rope fish belonging to the Bichir family and guppies to the Poeciliidae family.

Q5. How can I create a suitable environment for rope fish and guppies?

To create a suitable environment, maintain a spacious tank with proper filtration and temperature control. Provide hiding spots, plants, and suitable substrate. Regular water changes and quality monitoring are also essential.

Q6. Are rope fish and guppies suitable for beginners?

Guppies are generally considered suitable for beginners due to their hardiness and ease of care. However, rope fish require more specific conditions and may not be ideal for novice fish keepers.


In conclusion, while it is possible for rope fish to eat guppies, with careful planning and the right conditions, they can coexist peacefully. Size difference, temperament, and tank setup all play crucial roles in ensuring the well-being of both species. Remember to provide hiding places for the guppies and monitor the tank regularly to maintain a harmonious aquatic community.

So, if you’re considering adding rope fish and guppies to your aquarium, make sure to take these factors into account. With proper care and attention, you can create a captivating underwater world that showcases the beauty of both these fish species.

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