Heading Ideal for both aquariums and small ponds. TetraFin Goldfish Flakes feature a new formula that promotes longer life and better health for goldfish. This special formula meets all nutritional requirements of cold - water fish and will stay firm when fish strike. TetraFin now features ProCare a health - enhancing system that contains Omega - 3 fatty acids to give fish the "healthy fat" needed for energy and growth immune boosting ingredients and a biotin supplement to bolster metabolism. In addition TetraFin offers increased levels of Vitamin c. Manufacturer Tetra Usa Inc.