The bluemouth cichlid (Wajpamheros nourissati) is a species of cichlid fish that is endemic to the Usumacinta River basin in southern Mexico and Guatemala, where it is widely distributed in rivers, creeks and lakes.

[1] This species is the only known member of its genus.

[2] The specific name honours the French cichlid specialist Jean Claude Nourissat (1942-2003), who collected type of this species.

[3] It reaches up to 22 cm (8.7 in) in total length.

[4] This Cichlidae-related article is a stub.