Sixe-12- 1 Inch Jewel cichlid (Hemichromis bimaculatus) is a cichlid that became famous due to its beauty and aggressiveness. Of course, red jewel cichlid is aggressive if it is kept together with guppies and danio. But in case when turquoise jewel cichlid has tank mates of corresponding size and temper it’s no way a troublesome fish.