Mixing cichlids from Lake Malawi and Lake Tanganyika is generally not recommended. While both lakes are located in Africa and home to many species of cichlids, the fish from each lake have adapted differently to their specific environments, resulting in differences in behavior, diet, and water requirements.
Cichlids from Lake Malawi:
- Are known for being aggressive and territorial.
- Tend to be herbivorous, with a diet consisting mainly of algae and other plant material.
- Prefer hard, alkaline water with a pH range of around 7.8 to 8.6.
Cichlids from Lake Tanganyika:
- Are generally less aggressive than their Malawi counterparts
- Tend to be more carnivorous, with a diet consisting mainly of small fish and invertebrates.
- Prefer slightly softer, more acidic water, with a pH range of around 7.5 to 9.0.
Because of these differences in behavior, diet, and water requirements, mixing cichlids from Lake Malawi and Lake Tanganyika can lead to aggression, stress, and potential health problems for the fish. Additionally, the two groups of cichlids may interbreed and produce hybrid offspring, which can further complicate things.
If you are interested in keeping cichlids from both Lake Malawi and Lake Tanganyika, it's generally best to keep them in separate tanks or at least provide adequate separation within the same tank to prevent aggression and stress.
If you do choose to mix cichlids from both lakes, research the specific species thoroughly and ensure that they have similar water parameter requirements and temperaments.