Before discussing the health and aesthetic benefits of supplementing the diet of your ornamental aquarium fish with spirulina fish food, we will first pose here a trick question: “What color is a pink flamingo?”
If your answer was “pink”—you’d be wrong. In point of fact, flamingos are naturally white. So what makes them pink? In the wild, these birds feed on a combination of blue-green algae and crustaceans containing carotenoids, which are naturally occurring chemical pigments.