A type of Blue-green Algae often fed to both saltwater and freshwater fish. Contains pigments that enhance blues and greens in fish - Source

A type of aquatic algae that is also known as blue-green algae. Because it is a prime source of chlorophyll, spirulina is ideal for combating one of life's most bothersome complaints, bad breath - Source

Spirulina is the common name for human and animal food supplements produced primarily from two species of cyanobacteria: Arthrospira platensis, and Arthrospira maxima. These and other Arthrospira species were once classified in the genus Spirulina - Source

Spirulina is a minute blue-green algae that belongs to the plant family Oscillatoriaceae. The term “spirulina” includes various species of primitive unicellular blue-green algae, most common being Spirulina platensis and Spirulina maxima.

Spirulina is one of the richest food bases ever found and contains an incredible source of concentrated nutrients. It is a whole food and contains the highest source of vitamin B12, with concentrations of vitamins A, B1, B2, B6, C, D, E, H, and K. About 70 per cent of the  Spirulina dry material contain protein. It provides all the necessary minerals, trace elements, cell salts and digestive enzymes. It also contains an abundance of chlorophyll, ferrodoxins and other pigments. Source

Single-celled algae often have flagellae and move in a spiralling manner. Source

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What Is Spirulina: Spirulina is a blue-green algae. It is a simple, one-celled form of algae that thrives in warm, alkaline fresh-water bodies. The name spirulina is derived from the Latin word for helix or spiral; denoting the physical configuration of the organism when it forms swirling, microscopic strands.