This article explores the benefits of close observation of the fins of our Koi as a diagnostic and healthcare tool.


“It’s often observed by students of mammals that eyes are the gateway to the soul. In Koi however, the indicators are sometimes a little more subtle. There is an equally crucial set of indicators, seven to be precise, on each and every one of our Koi that offers a fascinating insight to the well being of our pets.

The key to unlocking this information, and perhaps gaining an additional and illusive game play advantage, is to try and understand these indicators and their meanings. Ultimately, to tune in to the specific variations in every individual Koi. One day this just might make the difference between an early problem diagnosis and an effective response – or not!”

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