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My fish is basically energetic and eating, but it's in cold water during winter and it's becoming covered with white flecks.

Fish with the appearance of what you showed me are in serious trouble, but are often helped by warmth, clean water, and Fluke Tabs. Often, these lesions are the result of:

1) Low pH

2) Flukes (very common to appear like this in cold water)

3) Virus (papilloma) as a result of chilling water (These pictures look MOST like Papilloma Virus or also Pox lesions.

4) In some rare cases bacterial infection

When you warm them up in well aerated faciliites and treat them to either Fluke Tabs, SupaVerm or Praziquantel, and ensure a suitable pH and water quality, the fishes' white flecks begin to peel off en masse and many have been saved without caustic remedy. Apparently the #3 cause above is simply ameliorated by little more than warmth, if only during the warmer parts of the year.



Fish disease problems? Need some help? The help pages take you through the basics of the 'fish health work-up' diagnosis method and basic fish disease treatment methods.

90% of all health problems and fish deaths are caused by poor fish keeping! The key pages are essential reading for all beginners and intermediates who are serious about disease prevention.

Wife Beater

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Expanded Content by Dr. Erik Johnson, DrJohnson.com and Used with Permission; Frank Prince-Iles ©2009 All Rights Reserved