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Rearing mollys
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Jeff Naylor
Mar 27, 1999, 3:00:00 AM3/27/99
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Can anyone give me a bit of advice about rearing Molly fry?
Our lyre-tail black molly has produced the odd baby in the past, two of
which have survived in the main tank. However, I put her in a 4 gal hex tank
two weeks ago to treat a bit of fungus, and then left her there to keep the
tank alive. Last night I discovered 12 (or more) babies. I'm trying to feed
them fry granules but wonder if they should be getting some sort of veg -
there is no plant matter in the little tank. And how many are likely to
survive? I might need to buy another tank so that I can grow them to a size
that the LFS will take. Also, as what must be quite an inbred strain, what
percentage are likely to be of a quality that a professional breeder would
cull?
Any answers gratefully received
Jeff
David Kuhajda
Mar 28, 1999, 3:00:00 AM3/28/99
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1. A 4 gallon tank is too small to raise 12 Mollies for very long. Unless you
can start changing more and more water after the first 2 months.
2. You need to do 10% water changes about 1 hour after every feeding.
3. Feed very very little several times a day.
4. Fill the tank with a clean batch of anachris plant, soak them in alum and
completly rinse multiple times, then leave in a bucket of clean water for a day
before placing in the tank.
5. Frozen baby brine shrimp plus a variety of dry foods and occasional daphnia
is what I feed all my livebearer babies for the first couple of months. You can
also make up a food preparation from a hard boiled egg yolk mixed with spirulina
discs that have been crushed. Egg yolk not eaten will pollute the water quickly
so change the water.
6. Add a small amount fo salt to the water. I cannot get good growth out of
mollies without some salt 1 to 2 tablespoons per 5 gallons minimum. Maximum I
use is 1 cup to 5 gallons, but not in my planted tanks.
Salt is very good treatment for light cases of fungus on Mollies. Very rarely do
I have to use any other medication.
7. Keep the water temperature at 80 degree to 84 degrees and aerate well.
Mollies tend to have much less disease problems at this temperature range. As a
result you have to keep fewer of them per tank than other fish.
8. If you notice any of the babies with bent, incomplete fins, bent spines, or
other defects as they grow up, destroy them. 50% on an inbred fish is not
uncommon.
David
can start changing more and more water after the first 2 months.
2. You need to do 10% water changes about 1 hour after every feeding.
3. Feed very very little several times a day.
4. Fill the tank with a clean batch of anachris plant, soak them in alum and
completly rinse multiple times, then leave in a bucket of clean water for a day
before placing in the tank.
5. Frozen baby brine shrimp plus a variety of dry foods and occasional daphnia
is what I feed all my livebearer babies for the first couple of months. You can
also make up a food preparation from a hard boiled egg yolk mixed with spirulina
discs that have been crushed. Egg yolk not eaten will pollute the water quickly
so change the water.
6. Add a small amount fo salt to the water. I cannot get good growth out of
mollies without some salt 1 to 2 tablespoons per 5 gallons minimum. Maximum I
use is 1 cup to 5 gallons, but not in my planted tanks.
Salt is very good treatment for light cases of fungus on Mollies. Very rarely do
I have to use any other medication.
7. Keep the water temperature at 80 degree to 84 degrees and aerate well.
Mollies tend to have much less disease problems at this temperature range. As a
result you have to keep fewer of them per tank than other fish.
8. If you notice any of the babies with bent, incomplete fins, bent spines, or
other defects as they grow up, destroy them. 50% on an inbred fish is not
uncommon.
David
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