Diamond Blue Flowerhorn Cichlid
Like the blood red parrot cichlid, the flowerhorn cichlid is a successful hybrid from two or several species, including red terror, synpillum, and citrinellus cichlids. Some flowerhorns are further hybridized to bring out more dramatic colors – such as the blue diamond flowerhorn. This flowerhorn variation is bred and imported from Thailand. Most flowerhorns do not show a bump on their forehead until they are more than three inches in size. The diamond blue flowerhorn has only a slight rise on the forehead, though it does get a bit more pronounced as the fish ages.
Quick Facts
| Scientific Name | Amphilophus hybrid |
|---|---|
| Origin | Captive-bred hybrid (Thailand) |
| Size | Up to 6 inches |
| Temperature | 78-82°F |
| Water pH | 6.0-7.5 |
| Compatibility | Best with large, calm tank mates; avoid aggressive species |
FAQ
What makes the diamond blue flowerhorn different from other flowerhorn varieties?
The diamond blue flowerhorn has a distinct blue coloration with a slight forehead bump that becomes more pronounced as the fish matures. It is a hybrid bred in Thailand and known for its vibrant blue hue and calm demeanor compared to more aggressive types.
When do diamond blue flowerhorns typically develop their forehead bump?
Most diamond blue flowerhorns show a slight forehead bump after reaching over three inches in length, with the bump becoming more noticeable as the fish grows older.
What are the ideal water conditions for a diamond blue flowerhorn?
The ideal temperature range is 78-82°F, with a water pH between 6.0 and 7.5. Stable water parameters are essential for maintaining the health and coloration of this species.

Jacob Howard –
The diamond blue flowerhorn is a stunning addition to my 55-gallon tank. Its bright blue color stands out and it’s very peaceful. It grew slowly but developed a nice forehead bump after six months. I keep it with larger, non-aggressive fish and it’s thriving.
Robert Thomson –
Beautiful fish with a calm temperament. The blue color is vivid and it’s not as aggressive as other flowerhorns. I noticed the forehead bump only after it reached 3 inches. Water quality is key, and I’ve been testing pH and temperature regularly.
Fiona Russell –
I bought this fish for my first cichlid setup. It’s very active but not aggressive. The blue color is striking and it’s adapted well to my tank conditions. It’s a great choice for beginners who want a colorful, non-aggressive fish.