First Page
Welcome to Koivet.com I'd like to introduce myself but also, get "right to the point" of this site, and this particular page. I'm Dr. Erik..
Read MoreCategory: Fish Help Questions
Sometimes I get time to answer a question for someone. Here’s the answer.
Intercepting Fish Diseases by Frank Prince-Iles
Intercepting Fish Disease Written by Frank Prince-Iles Prevention is better and cheaper than cure! Fish disease can be both highly distressing, and in many cases,..
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Ulcers & Raised Scales: Ulcer Disease In Fish
My fish have ulcers, raised scales, areas of inflammation [caption id="attachment_446" align="alignleft" width="149"] Ulcer Disease in Koi (And other fish) is potentiated by stress plus..
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Gasping Fish: What to Do About Fish That Can’t Breathe
My fish are gasping...? This is a sign of respiratory problems. The most common cause is some form of gill disease, but internal disorders such..
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Cotton Wool: Fish Are Covered in White Fungus
Fungus is nearly always a secondary infection, so it is important to find out the underlying cause, which could be water quality, parasites or a..
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Parasites: My Fish Has Parasites? What Should I Do?
For a lot of parasites: A triple shot of Mardel Clout is often helpful Video About Mardel Clout If parasites are suspected, a skin and..
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Finrot: My Fish Has Ragged Fins: What Is Finrot?
Fin rot is nearly always a sign of stress and the most important step is to try and determine why the fish is stressed and..
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Color Changes: Why Does My Fish Change Color?
A fairly common situation arises when fish literally change colour, either all over or just parts of the body. The most common situation is when..
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Flipover: What to do About Flipover Swimbladder Disease
My fish is upside-down/ can't swim [caption id="attachment_423" align="alignleft" width="233"] Flipover Goldfish Before Surgery[/caption] This is a common problem whereby fish lose their equilibrium and..
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Bloated Belly: What to Do About Dropsy?
[caption id="attachment_418" align="alignleft" width="300"] Large Swollen Dropsy Abdomen Goldfish[/caption] This is a common but difficult problem and typifies the problems involved in fish disease diagnosis...
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