There are several, similar cichlids with the name Gabon Red, Red Gabon, Red Jewel, or just Gabon, eg
Hemichromis sp. 'red gabon'. This Rubricatochromis is native to rivers and streams of Gabon but there are other
similar-looking "Red Jewels" native to Gabon, Congo and West Africa.
It grows to 10cm long and is said to be a "family" fish as both parents will look after eggs and young.