Animal Stories - Livebearing Aquarium Fish


Animal-World info on Swordtail Fish
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amalsyikin - 2014-11-22
I've just realized that my swordtail was having the babies when she's dead. I took her body out from the tank and saw her babies were still inside the womb(didn't noticed alive or not). I buried them at my backyard :(..

My question :
1) what may caused the dead? The mother is stressed because of giving birth? Or else?
2) should i took out the babies out of the womb?

thank you (who replied me the answers :) )

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  • arriyah - 2014-11-22
    you should have took the babies out of the womb
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arhelh2051@sbcglobal.net - 2014-10-19
i want to purchase a gold tux swordtail please advise where i can order thank you....emma lee

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Connor - 2014-10-15
I have one male red swordtail and he is a gorgeous fish and gets on with my red finned platies, mollies, clown loaches, penguin tetras and my neon tetras. But does anyone know when my female red tail platy will give birth because she has been pregnant for ages and has had no babies?

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  • Clarice Brough - 2014-10-17
     The average gestation period of a live bearer is about 28 days, so if its been longer than that she may not be pregnant.
  • Connor - 2014-10-19
    Thank you very much for your help and during the time we have had we have had 5 babies and we think it is her because she has got a lot thinner.
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Trevor - 2014-09-15
Swordtails do not change sex, the situation you are referencing is a late developing male which occurs when there is already large male in the tank. Other males will develop slower until they reach a size that can compete with the tanks dominant male and will then develop their male characteristics. I have researched it and seen t twice in my own tanks, after which the late developing male would go on to father many fry of his own. This I am sure of from pairing the new males with young virgin females to be sure the changing of sex did not occur.

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  • Clarice Brough - 2014-09-15
    You're absolutely correct Trevor. Thanks so much for bringing this to our attention, we will adjust the information right away.
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imah - 2014-09-07
Hello I have a leopard pleco and I think it is pregnant so I have been doing some research. I needed to see if it was an egg layer or a live bearing fish. I searched it up and one site said that it was a live bearing fish and another site said that it was an egg layer. Also if it is a live bearing fish what are some signs to look for when it is about to give birth? I hope someone can help. Thank you.

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  • Clarice Brough - 2014-09-07
    Catfish are egglayers, as are the majority of freshwater fish species. Livebearers are mostly swordtails (like this fish), guppies, mollies,  and a few others. You can see an overview of livebearing fish on the main page of this Livebearer Aquarium Fish Atlas.
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Animal-World info on Mollies
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Iv - 2003-08-27
Mollys are very cool fish. You can make your own combinations by breeding them. For example get a marbled molly and breed it with a Orange Balloon Molly and the outcome will be cool. Buy a couple and keep the male ratio to one male for two females because the male will chase females and somewhat exuast them.

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  • R.Balaji - 2013-08-25
    It's wrong. I have two males but their behavior is not like that. I am R.balaji. We can be freiends, please reply.
  • Ruben Mendez - 2014-08-04
    They are honestly very cool have a 85 gal with ballon mollys and lyretail and many more mollys and have very exotic colors...
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Animal-World info on Swordtail Fish
Animal Story on Swordtail Fish
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Laura Cachia - 2008-07-24
I have a one-year old female swordtail (without a male) and believe it or not she had young ones!! I am wondering how this can happen, or it swordtails breed with other different species of fish who would be the father.

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  • jennifer Nickerson - 2014-06-22
    Swords mollys and platies once breed dont need a male to fertilize her for up to 6 months and will have fry 1time a month for 6 months with each birth she has the number of fry she has increases a older females thats had multiple births can produce a 100 fry each
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Meghan Dietz - 2014-05-17
I have some swordtails that aren't growing! I've had them for a long time, and you'd think they were grown-ups by now! Please help, I want to breed them! ~Meghan, 12 years old

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Animal-World info on Fancy Guppies
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fish bandit - 2013-11-03
Why isn't there much about endlers on this site? They are colorful live bearers like guppies and mollies... anyway does anyone raise/breed freshwater shrimp? They are great in a tank with some otos, endlers, and some guppies.

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  • Clarice Brough - 2013-11-07
    Glad you asked as we have the Endler Guppie in the que for adding. Hopefully we'll get it live soon, so keep an eye out:) I also would like to know of anyone who raises freshwater shrimp, so look forward to some info on that.
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Animal-World info on Swordtail Fish
Animal Story on Swordtail Fish
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Dave reeve - 2013-11-03
I have two breeding pairs of swordtails but one of the males seems to like laying vertical in the weeds and even swimming vertical most of the time, is there a problem? Come feeding time there is no problem ......

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  • Clarice Brough - 2013-11-07
    There are many things that can cause a fish to show abnormal swimming movements. I would suggest the fish is stressed due to environment, but take a good look at the fish to see if you can identify anything unusual in its appearance. Abnormal swimming is often caused by Swim bladder disease (bacterial infection). More extreme problems could be parasites in the blood capillaries of the brain (Myxosoma) or nodules in the brain and spinal cord causing an abnormal position of the body and zigzag movements in swimming (Ichthyosporidium). As you can see, its hard to pin down, but swim bladder disorders are one of the more common illnesses.
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