Callochromis macrops (Big-eyed Mouthbrooder) - Fish

Callochromis macrops, the Big-eyed Mouthbrooder, is a vibrant, sand-dwelling cichlid from Lake Tanganyika, known for its large eyes, compact body, and color-changing ability, developing brilliant oranges/reds in males with iridescent blue fins, while females remain more subdued; it's an omnivore that mouthbroods its young, requiring basic, hard, alkaline water (pH 8-9) and a sandy substrate with rocks in the aquarium.