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Monday, 07 September 2009 19:03 |
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by Kent Wallace  Returning water to the pond has largely been from a waterfall or stream but modern circulation techniques and higher turnover rates have created methods of circulation, which improve water quality and clarity.
The concept of rotating water around the bottom drain or drains in a circling “vortex” pattern has become the standard. The rotational speed we are
trying to achieve is slow at approximately 1ft/30cm per second and the object is not to create a whirlpool effect but to improve flow. The improved flow characteristics prevent un-circulated or stagnate areas from forming and breeding anaerobic activity. |
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Last Updated ( Monday, 07 September 2009 19:37 )
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By James Reilly Part of the mystique of Koi exists in the fact that this unique race of carp developed in one tiny place on the planet. Yet we know that modern common carp have occupied an extensive area of Eurasia for thousands of years. So how did one species of drab, common carp become 13 distinct varieties of Koi with scores of pattern and color variations within those varieties? Is it possible there was a ‘missing link’ in Japan that made for the bridge between common black carp and the colorful Koi carp of today?In this article I would like to explore some facts, historical evidence and theories as to just how the common carp came to be the Nishikigoi of today. There are many accounts and plausible explanations as to how common carp came to early Japan. Some suggest that carp were natural residents of Japan, but the fossil record does not support that theory. Others credit the early Asian immigrants who crossed the ancient land bridge that connected the Asian mainland to the southwestern Japanese islands for the early introduction of the common carp. Still others emphasize the centuries of trading with China, Korea and, eventually, the Europeans, as the most likely source for the introduction of western and eastern subspecies of common carp.
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Written by Administrator
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Monday, 11 May 2009 00:41 |
 What's in a Name?
The Kohaku, Sanke, and Showa varieties of Koi are collectively the Gosanke. In this case, the “go” does not mean f ive, but refers to three noble Japanese families. Gosanke have the highest quality of skin and colour of all Koi. For this reason, grand champions are usually these varieties. A Kohaku is a white Koi with red pattern markings while Sanke and Showa are three-coloured Koi—red, black, and white. Showa and Sanke appeal to all types of hobbyist, especially those who want to show their Koi and compete for top awards. It is not easy to raise a Koi with three colours of high quality. For those that can achieve this feat, there is the possibility of having a grand champion. Hobbyists and even benching teams sometimes have difficulty in deciding whether a Koi is a Sanke or a Showa. People often say that a Sanke is a white Koi with red and black pattern markings and a Showa is a black Koi with red and white pattern markings. It is true that breeders keep the all black Showa fry at the first cull. However, this does not help to distinguish larger Koi exhibiting all three colours. |
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