Hello, I love your site and find it very informative. I have a quesion that I did not see addressed however. I have a silver
mollie female who is very aggressive, especially at feeding time. I recently purchased her a mate/ companion, a silver lyretail male mollie but this didn't seem to help.
She constantly attacks and nips at the other fish in the community tank, who are all quite peaceful. She especially picks on similar species like swordtails and platys. She even
takes shots at her new mate. Any ideas why? I feed twice a day, a little on the heavy side so I don't think food competition is a problem. Also it doesn't seem to be a
territorial thing because she does not stay in any one spot in the tank. She has me stumped.
Thanks, Mark A.
Reply. Hello Mark. Thank you for sending some interesting observations about your female Molly. There always seems to be a few female Mollies that
are overly aggressive. Here are some things you can do to minimize their aggressiveness.
(1) Add more Mollies. A group of Mollies with at least three males and at least five females, will usually minimize the aggressiveness of any one overly aggressive Molly.
(2) Get a bigger aquarium. When Mollies are compressed into a smaller living space, it often increases their aggressiveness. Conversely, more living space in a larger aquarium
will often reduce the pressure that they put on each other.
(3) Feed a small amount of live food. For example, I feed my Mollies a few Live Black Worms each day. Perhaps the live food makes them feel more satisfied and less aggressive.
here for more information about Black Worms.
(4) Reduce the temperature down 2 degrees by adjusting your aquarium heater. For example, if the temperature is now 80 degrees F, then reduce it to 78.
Usually the combination of more Mollies, more space, reducing the temperature, and live food will usually reduce the aggressiveness of any one Molly. Good luck with your fish.
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One of my female Mollies just had some babies. All but 2 of the 20 or so were dead on arrival. Some even had some kind of
sack attached to their bellies. I would like to know what mite have caused this. My opinion is the female held the babies to long. Last night I got a floating breeder put the
female in it and at about noon today she had the babies.
Reply. Hello Richard. The sack on each baby Molly was just that, a so-called "egg-sack". Egg laying fish lay eggs, that hatch into baby
fish, and each baby looks like a tiny thin fish with a huge belly, that's called an egg-sack. This egg sack contains nourishment that the baby fish absorbs, until it's ready to swim and find
Your female Molly is not an egg-layer, and so she does not normally lay eggs. She is a livebearer, and a livebearer female releases babies, that have been inside her body long
enough to absorb their eggs-sacks after hatching from eggs inside her body.
What can cause baby Mollies to be released prematurely with egg-sacks? Sometimes if a female Molly is moved, she will prematurely release her babies. Or if a female is netted
and handled too roughly, she will prematurely release babies with egg-sacks. In fact if a female Molly is stressed in any way, she may prematurely release her babies, and those babies may have
egg-sacks, or sometimes they may still be eggs.
So it is very important not to stress a big female Molly that looks like she will soon have babies. But it's also important to put her in the Net Breeder, or the other fish in
the aquarium may eat the babies just after they are born.
To get a female Molly into a Net Breeder without stressing her, it is best to dim the lights and move a catching net very slowly while catching her.
It is very good technique to move the Net Breeder up under the catching net, and transfer the female Molly from the net into the Net Breeder without taking her out of the
water. I have often held the catching net in one hand and the Net Breeder in the other hand, then just slowly and gently herded a female into the Net Breeder.
I hope my comments help you.
here to listen to Tom and
Nevin talk about talk about
keeping and breeding Guppies and Mollies.
Dear aquariumfish.net; I was wondering, is it harder to breed pot-bellied mollies, or sail-fin mollies, or lyre tail mollies
than it is normal types.I would really like to know , this question has been itching the back of my mind for ages.
-Sincerly Chelsea M.
Reply. Hello Chalsea. All the various types of Mollies are all very easy to breed, and I would say that they are all about equally easy to breed.
But you should keep the various types separated in different aquariums, or the lyre tails and pot bellies may have trouble competing with the normal Mollies.
You would expect that they would have trouble competing, because the genes for lyre tails and pot bellies are in the wild fish, but they are rarely seen in the wild Mollies, so
we conclude that they have trouble competing with the normal Mollies.
Once you have a group of lyre tail Mollies or Pot Belly Mollies in their own aquarium, they will be very easy to breed. In fact it is difficult to stop them.
Hi, I recently got interested in this hobby and have been studying a lot on the internet regarding aquatic plants and fresh
water fish. I bought 10G aquarium and have two female black mollies as my first guests.
I want the tank to mature and undergo a full cycle before I add more angels and tetras. But there is problem due to pecking order and the weaker female is constantly miserable.
So, I want to buy some aquatic plants and provide her some nice hiding places. My question to you is regarding aquatic plants. I am planning to buy some and was wondering whether
you have "tropical Marble Queen".
I'm very interested in buying that plant and also Crystal Wort, Java Moss and Java Fern. Please advise regarding the availability of these plants and I would be glad to buy them.
Reply. Hello Ajith. Click
here to see the complete list of the plants that we
offer for sale now.
We do not offer the plant named "tropical Marble Queen", which may be a hybrid of two species in the genus named Echinodorus. If that is true, it would
be related to the Amazon Sword Plant, Echinodorus bleheri, which we do sell.
Even if you add plants and lots of hiding places for your female Mollies, it is doubtful that they will get along well. The stronger female will make the weaker
one miserable, unless you add more mollies.
Mollies live best in a group with a few males and several females. A group with 3 or more males and 5 or more females is good, because the stronger Mollies usually do not make the weaker Mollies
A group of eight mature Mollies will need an aquarium with at least 25-gallons of water. Click
here for more information about Mollies.
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