A critical link in the aquatic food chain. Brine Shrimp Direct has secured a reliable source of a nutritious natural food- Daphnia pulicaria, Wild-harvested in the Pacific Northwest. Available in both frozen and as low-temperature-dried-daphnia (LTDD). Daphnia (Daphnia pulicaria), a small crustacian also known as a water flea, is organic and naturally enriched with a blue-green algae (Aphanizomenon flos-aquae), making it an excellent source of HUFA's, including Arachidonic acid, Alpha-Linolenic acid and Linoleic acid. Brine Shrimp Direct's Frozen Daphnia is harvested, chilled and frozen on-board, enabling Greater retention of nutrients and also Flavourants, which stimulate feeding response in many fish. Daphnia pulicaria From The Pacific Northwest! Organic, Wild-Harvested No Antibiotics, No Additives. A Diet Rich In Aphanizomenon flos-aquae, a blue-green algae to produce brighter colors in your fish. Higher In HUFA (Highly Unsaturated Fatty Acids) content than Artemia. Used In Commercial Aquaculture. Size: 500 to 1750 microns in size - slightly larger than newly hatched artemia Order today and start improving your aquarium's nutritional needs.