So people say that koi fish can live more than 100 years old. They usually age accurately (but sacrificially) by the examination of the bones of the koi's inner ear. The ages that derived from scales are most often inaccurate. A one year-old koi can have between seven and eleven rings on a scale, depending on the scale you choose.

Koi's also have no stomachs. What they do have are expandable small intestines that function as a pseudo stomach, but they have no common stomach structures.

They have small teeth in the back of the throat that they use to crush any crustaceans they may ingest.

In most Japanese judging contests they only grant or award points. American judging contests tend to deduct points from "perfect koi's", the Japanese only award points to the fish in competition. Which they are start at 0.

Koi are pigs of the water simply because they love and eat anything and they like to eat a lot. They can consume up to 2% of its body weight a day

Koi fish are integrally liked with their watery environment. Which means they are a reflections of the quality and your skills in maintaining it.

Koi can be trained to eat straight from your hands and don't worry they don't bite because they don't really have teeth.

The koi love different foods to eat in their diets so try just about anything including lettuce, cheerios, peeled oranges and brown bread. A big koi can eat you out of your house and home if you feed it all the time.

Most fish including the koi are not warm water fish but they grow faster and are more active in warm water.

Putting vegetable filters actual plants in the kois pond is the net best thing to sliced bread. They help reduce nitrate levels and reduction in nitrates leads to reduction in algae growth. Simply because the nitrates are a plant food. Which is great

Now that you know more information on your pond friends you have a better understanding of exactly how they operated and new ways to give them their hearts desires.

In China, fish are very lucky. In fact, the Chinese word for fish sounds similar the word for 'surplus' or 'abundance'.

Perhaps for this reason having a koi fish tattoo featuring a beautiful koi fish is supposed to bring you wealth and bounty for years to come.

There is also a legend saying that the koi fish succeeds in climbing a fall called the dragon gate on the yellow river) and would transform into a dragon. Because of the legend the koi became a huge symbol for worldly advancement and aspiration. The koi is also associated with many positive and masculine qualities. This is why it is made for the annual Boys Day Festival held in Japan where it is shown as a colorful streaming flag traditionally used to show each son in the family. Must koi tattoos in the imagery especially if used with flowing water means the same, the ability to finish high goals, overcoming hard difficulties. And of course courage.