1, fish worms, is breeding in the sewage pit ponds, pools, rivers in the zooplankton, is a variety of water flea type of common name. Its body size is large and small, like red spider mites, its body color is blood red, small body size, it is not only nutritious, and it feeds on phytoplankton, which is conducive to purifying water quality. Therefore, commonly used fresh red worms appropriate feeding of koi, koi development fast, fish disease incidence rate is also reduced accordingly.

2. Grasshopper, available straw culture, most suitable for feeding the newly hatched fry.

3, water earthworms, rich in protein, fat and vitamins. It must be rinsed repeatedly before feeding.