A Beginners Guide to Koi and Koi Ponds
A beginners guide with very basic information about Koi and Koi ponds, by Richard Renshaw of Koi.Net
The History of Koi
Where did Koi come from, and what varieties are there? NetPets expert Neil J. Dawson provides an enlightening background into these colorful creatures.
Koi Encyclopedia / Talking Dictionary
Lots of good information about different breeds of Koi from PAN Intercorp.
A nice, small collection of articles about Koi care from PAN Intercorp.
A interesting Koi page that includes a joke section, and a Pest page, from PAN Intercorp.
If ponds interest you, the Keith Wolfe's Koi Korner has lots of information to help build, stock, and maintain a beautiful pond.