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Checking Koi Health Problems

Water quality and temperature are two of the most important indicators that will tell whether your Koi will end up healthy or otherwise. A perfect water condition should have ammonia and nitrite levels readings measured to be zero with tolerance for nitrite level at least until 0.5ppm. Do not overlook on this because even slight changes in terms of ppm could have large overall effect that could be life threatening. Contrary to popular belief saying that koi water temperature should be as low as possible, this is actually not true because anything under 65 Fahrenheit for long period of exposure could induce unnecessary stress that will lower the fish immune system.

Koi Gill Observation
Bacteria and viruses are the other common threats that will also compromise the health of your fish. Basically there are few things which you can check. First are the gills of you koi. Watch carefully and determine whether there’s any sign of swelling. Sometimes upon close observation, you could even see growth of white cotton moth on the plate surface and these are mostly associated to fungus infection. A normal healthy color of the gill should be slightly reddish and even appearance of pale pink is not desirable. (Refer to attached photography shown above). Another common routine checkup, which you can perform, is by looking at the fins. Make sure that the fin structures are not frail still intact without presence of white dots. If there’s any, observe whether the koi will show signs of scratching or flashing on the pond surface, if it does, then most probably it could be sign of unhealthy development. See article on treatment of ich/ick or white spot disease to understand how to deal with it.

The health of your koi can also be monitored by just checking the underside of the fish. Usually what you can do is by observing for any stationary fish and then by carefully using a fish net and together with both hands, flip it around in order to observe the underside. This will require some gentle handling because koi can wriggle and flip around splashing up the water and if you are not careful, you might even slip and drop the fish. If this becomes a problem, you can either place it into a transparent plastic bag in order to observe it carefully. Basically what you are looking for are signs of bloated belly which could mean, an early warning towards development of pine-cone disease sometimes referred to as swim bladder disorder. Best treatment approach usually is by using prescribed antibiotic dose best recommended by a qualified veterinarian.

Check out on the list related to basic fish medication.



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About Me

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My fascination and interest towards aquarium fish has led me to devote my time towards caring and learning about this wonderful pet.

Aquarium fish keeping is a very challenging and exciting hobby. When I first started, I never knew much or have the necessary guidance back then because none of my family members were actually a keen hobbyist. And because of that, I’ve encountered numerous failures and the worst part is having to deal with dead fish every time when you started to grow fond and getting attached to my pets. However, I persevered and took steps to find out and search for information from other hobbyist, apart from the knowledge gained and learned from my own experience and research. The blog that I’ve created here is meant to share useful information and tips about aquarium fish keeping so that new hobbyist will not make the same mistakes that I’ve made in the past."

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