Family Cichlidae - Cichlid Family [nonnative]
Family: Cichlidae - Cichlids are popular aquarium fishes that are not native to Illinois. Cichlids have only one nostril on each side of the head and a two part lateral line with the front portion higher than the rear portion.
Rio Grande cichlid (Herichthys cyanoguttatus) [nonnative]
Photo © Uland Thomas