Ruby fish and sapphire fish can't be mixed, because both of them are irascible and prone to fighting. If they are raised together, conflicts may often occur. In addition, ruby fish and sapphire fish are too large and have strong attack power. Once a big conflict occurs, one party may be injured. If conditions permit, it is not recommended to mix ruby fish with sapphire fish.
2. What fish can ruby and sapphire fish be mixed withRuby and sapphire fish can be mixed with map fish, parrot fish, pineapple fish, colorful fairy fish and Luohan fish. These kinds of fish are also lively in character, and mixed breeding together will not produce great conflicts. Although ruby fish and sapphire fish are fierce in character, they have low requirements for the environment, and they generally do not take the initiative to attack other fish as long as there is enough space and food for breeding.
Because ruby fish and sapphire fish are too large, the fish that can be mixed with them are also too large. Breeders need to prepare a larger container for them, so as to ensure that they have enough living space. In addition, they are tropical fish, and their demand for oxygen is relatively large. Breeders need to give them oxygen regularly to ensure that they have sufficient oxygen to live.