Jewel cichlids, also referred to as red cichlid or African jewelfish, are freshwater fish native ... that may eat Oscars. The last best tank mate for Oscars on our list is the blood parrot which ...

The red shading fades into dark fins, and their black eyes are rimmed in orange. Oscars, like most fish, are timid when they're first introduced to a new aquarium. After they've had a few days to ...