Fish Help Questions – Koivet.com | Fish Health

Intercepting Fish Diseases by Frank Prince-Iles

November 15, 2018 DrErikJohnson

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,..

Ulcer Disease in Koi (And other fish) is potentiated by stress plus parasites

Ulcers & Raised Scales: Ulcer Disease In Fish

January 29, 2018 DrErikJohnson

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..

Fish Help Questions / Hostile Bacteria & Diseases

Fish that stay at the surface may be having trouble breathing.

Gasping Fish: What to Do About Fish That Can’t Breathe

January 29, 2018 DrErikJohnson

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..

Fish Help Questions / Lesions / Symptoms

Fungal infections on the mouth of a goldfish

Cotton Wool: Fish Are Covered in White Fungus

January 29, 2018January 29, 2018 DrErikJohnson

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..

All About Fungal Infections / Fish Help Questions

Parasites: My Fish Has Parasites? What Should I Do?

January 29, 2018January 29, 2018 DrErikJohnson

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..

All About Parasites / Fish Help Questions

Finrot: My Fish Has Ragged Fins: What Is Finrot?

January 29, 2018 DrErikJohnson

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..

Fish Help Questions / Lesions / Symptoms

Koi Patters and Colors Can Move, Change, Fade and Deepen

Color Changes: Why Does My Fish Change Color?

January 29, 2018 DrErikJohnson

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..

Fish Help Questions / Lesions / Symptoms

Flipover: What to do About Flipover Swimbladder Disease

January 29, 2018January 29, 2018 DrErikJohnson

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..

Fish Help Questions / Lesions / Symptoms

Bloated Belly: What to Do About Dropsy?

January 29, 2018 DrErikJohnson

[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...

Fish Help Questions