Can a rope fish and angelfish go in the same tank as betta fish?

It is not advisable to keep ropefish, angelfish, and betta fish together in the same tank.

1. Temperament and aggression:

Betta fish are known to be territorial and can be aggressive towards other fish, especially those with long fins or bright colors. Ropefish and angelfish can also be territorial, particularly during breeding or feeding times. Keeping these three species together can lead to conflicts and stress, which may result in injuries or even death for the betta fish.

2. Water parameters and habitat preferences:

Ropefish prefer warm, tropical waters with a pH range of around 6.5 to 7.5. They are also known to be active swimmers and require plenty of space to move around. Angelfish prefer similar water parameters but thrive best in tanks with a slightly higher pH level (between 6.8 and 7.8). Betta fish, on the other hand, require slightly warmer water (around 78-82°F) and prefer a pH range of 6.5 to 7.5. Mixing these species can make it challenging to maintain water parameters that are suitable for all of them.

3. Diet and feeding behaviors:

Ropefish are primarily nocturnal feeders and usually consume live food such as worms or small crustaceans. Angelfish are omnivorous and will eat a variety of foods, including live, frozen, or freeze-dried foods. Betta fish are carnivores and primarily feed on live or frozen foods. The differing dietary requirements of these fish can make it difficult to ensure everyone gets the proper nutrition.

4. Tank size and compatibility:

Ropefish can grow up to 3 feet in length, while angelfish can grow up to 6 inches. Betta fish, on the other hand, typically reach a maximum size of around 2-3 inches. The size difference between these species can lead to issues with compatibility, as the larger fish may view the smaller betta fish as prey.

In summary, while it is possible to keep ropefish, angelfish, and betta fish in the same tank, it is not generally recommended due to potential issues related to aggression, water parameters, diet, and size compatibility. To ensure the well-being of all the fish, it is best to keep them in separate tanks or choose more compatible tank mates for each species.