Can Blue Dolphin (Hap) and Cyprichromis Leptosoma Live Together?

Blue Dolphin (Hap) is a moderately assertive species (5/10), while Cyprichromis Leptosoma is generally mild-mannered (3/10). This modest difference means Blue Dolphin (Hap) may occasionally assert dominance over Cyprichromis Leptosoma.

Blue Dolphin (Hap) and Cyprichromis Leptosoma both frequent the Middle (Open Water) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Worth noting: Cyprichromis Leptosoma is a known jumper, so a tight-fitting lid is essential.

The safe temperature window for both species falls between 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 8 and 8.6. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 10–25 dGH. Regular testing will ensure conditions stay within this range.

To house Blue Dolphin (Hap) and Cyprichromis Leptosoma together, plan for an aquarium of at least 475 litres with a minimum length of 150 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Sand (Sifters), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.