Articles on a variety of topics, including medications, diseases and surgery.

Includes a forum. Requires free registration.

Articles include product reviews, as well as setting up a pond, plant disinfection, and nutrition.

A social networking site featuring galleries and forums for the Koi keeping hobby.

A weblog offering answers to ponding and Koi keeping questions. Includes video, classification, care, health, and filtration information.

Offers a discussion forum, web cams, and auction.

Pond and Koi photos, descriptions of Koi types, converters and calculators.

Information about these fish, ponds and diseases in weblog format.

This is an educational site dedicated to expanding the knowledge of the colored carp, Koi.

Discussion forum dealing with all aspects of Koi keeping. Includes a section to sell surplus fish and equipment.