All about Koi Fish

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Koi Fish on Long Island, NY

If you’re thinking about making an addition to your pond, or starting a pond from scratch (hopefully with the help of us), adding koi can add great value. A pond without fish will never be as interactive as a pond with fish, especially colorful koi. Countless hours can be spent watching your koi swim around, hand-feeding your dear fish friends, and maybe even swimming with them depending on how large your pond is. There are too many varieties of koi, also known as Nishikigoi; which means the “living jewel koi”,  to cover in a single article, so we’ll be listing some fun facts about koi and why they’re so special in many koi enthusiasts hearts. 

  • You may have seen koi commonly characterized as white and orange, whether it be in drawings, tattoos, or pictures. Koi come in varieties of color; white, black, blue, red, orange. The orange and white koi, known as the Kohaku, is the most common koi you will probably find.
  • Koi & goldfish originate and were bred from the carp family of fish, and were bred in Eastern Asia, possibly as far as back as 200 BC. Fortunately, carp are very hard fish and survive and adapt to many climates. Therefore, Koi Fish on Long Island is viable as we only need a 2′ minimum depth to prevent a freeze over.
  • Koi fish represent and symbolize wealth, prosperity, love, successful careers, as well as good fortune to many people in Japan. Each variety of koi represent different symbols.
  • Koi can grow over 3 feet long if provided a high quality food source as well as a large enough environment to grow into. The largest koi recorded was 4 feet long and 90 lbs!
  • Koi can live for a very long time! The oldest koi recorded and most famous fish in the world was 226 years old! The average age for a koi to live is around 25-35 years in captivity. Japanese koi also tend to live longer than the Domestic type of koi.
  • They will eat almost anything you feed them. During the summer season here on Long Island, I tend to feed my personal fish lettuce, watermelon, cheerios, and even shrimp! It’s a great activity and fun for all people involved and the koi love it especially if they are trained to hand feed!
  • Shade is a must! Your dear friends can actually get sunburn if they don’t have protection. We covered this in our water lily article.
  • Koi are very social fish and enjoy having company, but don’t overstock your pond as this will lead to a poor quality life due to bad water quality. Koi also tend to bully other species of fish, so be careful which fishes will be mixing in the pond.
If you’re looking at adding some koi fish to your pond on Long Island, or renovating an existing pond or even starting a new build from scratch please feel free to reach out for advice or any questions you may have. Be sure to check our some of the water features we have built, as well as our pricing page for all of our water features!