• Hi-Silk 21 Silkworm Pupae
  • Hi-Silk 21 Silkworm Pupae
  • Image 3

Hi-Silk 21 Silkworm Pupae


Product Description

Currently out of stock


Natural food
Silkworm pupae is the best natural Koi food. Many people know silkworm to be an ideal natural food for Koi. Koi lovers want to feed nutritiously rich, natural food to their Koi. Silkworms are not only nutritious, but also are Koi’s favorite. Koi love the taste and smell of silkworm pupae.

Before pellet food was available, silkworm pupae were what Koi breeders fed to their Koi.  From their experience, they knew silkworm pupae made Koi grow big and beautiful.   

Promote growth

Proteins are made up of many different amino acids linked together. The structure of amino acids in silkworm pupae is very similar to that of Koi. So a Koi’s body efficiently converts silkworm pupae and helps it grow big quickly.

Freshness of silkworm pupae is key

Due to the sterilization process, silkworm pupae retain their original form for as long as 10 years. You may be using silkworm pupae as Koi food; but if they are 10 years old, that would not be good for your Koi, of course. Unless you are a professional from the silk industry, it is difficult to judge the freshness of silkworm pupae. So the brand of silkworm pupae you buy is critical.

Kawaguchi Shoten is the brand to trust

This is why we recommend—Silkworm Pupae by Kawaguchi. Kawaguchi Shoten has served the silk industry for more than 100 years. As specialists, they supplied silkworm pupae to Koi breeders and Koi hobbyists in Japan. They assure the quality and freshness of silkworm pupae for our Koi.

How to feed

  • Feed silkworm pupae to your Koi only after water temperature stays at 65 °F or higher

  • Feed them as a treat. Do not use them as staple food

  • You may soak silkworm pupae in warm water for a few hours. The softer that silkworm pupae are, the easier they are to digest and prevent overeating


  • Once you open the bag, please finish the bag by the end of the season

  • Keep the Koi food bags in a cool, dry place

Product Videos

Hi Silk Koi Food 01:32

An introduction to the koi food, Hi Silk-- loved by all koi, and very effective in growing them big. View Hi Silk - , A characteristic of HI SILK is that we’re using this ingredient. Silkworm pupas. The primary ingredient is silk cocoons, but famous koi breeders in Niigata have been using these silkworm pupas for ages, in order to make the famous koi that we all know and love. The fact that it’s still being used in this is one of HI SILK’s main features. Kois love these silkworm pupas. The most important thing for koi food is that the koi likes it, that it eats a lot of the food. That’s the main reason for them growing big. This is the color-enhancing koi food that’s been released recently, and it’s said that color-enhancing foods don’t taste good, but that’s not the case for this one. The koi eat this a lot. So this food has the two benefits of growing the koi big, while also enhancing its red color. In places like Hawaii, the water temperature is most likely high, so this would be very good. It works amazingly in countries and areas with high water temperatures. Thank you very much. ---------- View our Farm - Bid in Koi Auction - See All Our Koi - Recommended Koi Pond Supplies & Memorabilia - Visit our Koi Stores in NJ, NY, FL - ---------- Let us know what you think in the comments!

  • Hi Silk Koi Food
    An introduction to the koi food, Hi Silk-- loved by all koi, a...

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