PURCHASING KOI, POND FISH & PLANTS
Aquatic plants like Hyacinth, Lettuce and many others commonly sold in the
Water Gardening trade are tropical. They simply CANNOT survive the nighttime
temperatures we could still experience in southeastern Wisconsin through the end
of May. Stores that offer these plants for sale this early in the year either
don't know what they're doing, or they don't care about YOU, their customers.
Make no mistake, you WILL end up replacing these plants before June 1st if you
put them outside now. Hoffer's Tropic Life offers some of the healthiest pond
plants anywhere in the city... when it's time. Watch our outdoor pond garden as
spring unfolds. When the temperature is right, our plants will be for sale.
The same thing applies to putting Koi and Ornamental Goldfish outside right now,
but for different reasons. WAIT! Unless you are purchasing fish that have been
housed outdoors all winter, the water in your outdoor pond is FAR TOO COLD to be
stocking it with fish that were housed indoors. Even if you acclimate fish
gradually, it would take several days to safely drop the temperature from a
typical indoor range to where the outdoor water temperature is right now. It is
not advisable to put fish outdoors until the water temperature in the outdoor
pond is within 5 degrees Fahrenheit of the indoor water temperature. This means
that if the indoor temperature is in the mid to upper 60's, the outdoor water
temperature MUST be AT LEAST 60 degrees to safely put fish outside. Always
measure the deepest water in the pond as early in the morning as you possibly
can. This is when the water is at it's coolest. NEVER move fish when the
temperature is between 54 - 60 degrees. At this temperature, pond fish are at
their most vulnerable. Their bodies are burning calories, but they may not be
interested in eating yet, so they're not replacing that energy. Their immune
systems are at their weakest, and moving them may cause enough stress to put
them in serious trouble. It's always best to wait until the morning temperature
in the outdoor pond is consistently above 63 degrees or so before putting out
fish that have been housed inside.
* * * * *
We at Hoffer's Tropic Life Pets would like to take this opportunity to make all
of our customers aware of a new threat to pond keepers. Actually, it's not that
new, but it is becoming more and more of a concern with each passing season. Two
deadly viruses have established themselves in the Koi and Pond Fish industry.
The first, Spring Viremia of Carp, attacks only Koi, which are carp. The other,
a strain of Herpes virus, attacks all fish. There are numerous symptoms,
however, they can often look the same as less dangerous diseases. Typical signs
of trouble include clamped fins, fish laying on the bottom, red spots or
hemorraging on the body, sunken eyes, refusing food, etc. Because these diseases
are viral, there is NO KNOWN CURE! Also, they are HIGHLY CONTAGIOUS, and can
wipe out an entire population of healthy fish in a matter of days. Both viruses
are airborne, and can be brought home on clothing if you are in close contact
with infected fish. Fortunately, these diseases are not widespread, and
conscientious pond fish dealers should not experience problems. The good news is
that fish tat become infected and survive seem to have a fairly strong immunity
after that. In the 2004 season at least 6 of our customers had first hand
experiences with these 2 viruses. In all cases the results were disasterous.
Here are some suggestions for avoiding these 2 nasties:
*NEVER put newly purchased Koi, Shebunkins or Comet Goldfish directly into a
pond containing existing healthy fish
*ALWAYS quarantine new purchases in a completely different area, as far away
from your existing fish as possible. Keep new fish in quarantine for a minimum
of 30 days before mixing with existing fish.
*NEVER use buckets, hoses, nets, food containers, plant pots, or any other
equipment from your quarantine setup in your display pond, or vice versa.
*ALWAYS wash your hands and arms thoroughly with soap and water after working in
your quarantine area. Change clothes as well, if going to work in your display
pond immediately after working in your quarantine area. (A shower would not be a
bad idea, either)
*Look Koi and other Pond Fish over carefully before purchasing them. DO NOT buy
fish that look questionable. Ask how long the vendor has had their fish. Avoid
new arrivals. If a salesperson seems vague or does not know the history of the
fish you are looking at, either find someone who knows, or walk away.
It is not our intention to discourage anyone from Water Gardening. Rather, we
would like to offer as much helpful information as possible to new hobbyists, as
well as veterans who may not be aware of these problems. In the 2004 season we
became aware that many stores that sell pond fish and supplies in our area were
either completely oblivious to these issues or were outright denying any
problems with their fish, or their responsibility to their customers. This
troubles us here at Hoffer's, and we WANT you to know. We buy our pond fish from
breeders and importers that we have been doing business with for decades. Since
the viral infections are known primarily from domestic (raised in the U.S.)
fish, we only buy from one supplier, whom we've known and trusted for years. Our
imported Koi come from Malaysia and Vietnam, countries that, as of the first of
this year, and not experienced Spring Viremia of Koi like Japan and so many
other Koi producing countries around the world.
If you have any questions about these issues, or pond keeping in general, we
hope you will let our staff know.
THE AQUATIC STAFF AT HOFFER'S TROPIC LIFE PETS
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