👉 Macrobiotus is a species of fish in the family Cyprinidae. Macrobiotus are known for their unique diet, which consists mainly of plankton and small fish. They have a relatively small body size compared to other fish species, but their metabolism can be much faster than that of larger fish. Macrobiotus are often found in freshwater ecosystems such as lakes, rivers, and coastal waters. They are typically found in areas with high nutrient levels and low oxygen levels