en.wikipedia.org/wiki/Pregnancy_in_fish

Pregnancy has been traditionally defined as the period during which developing embryos are .... P. monacha can be considered to be lecithotrophic because the female does not really provide any resources for her offspring after fertilization. .... Long-snouted seahorse, (Hippocampus guttulatus), Ovoviviparous, 21, 581 (max ) ...

www.cuteness.com/article/long-molly-fish-stay-pregnant

Molly fish are easy to breed in a home aquarium and are often already pregnant when purchased at a pet store.

www.wikihow.com/Tell-if-Your-Fish-Is-Having-Babies

If you do expect new young fish, try to find out as much as possible on your specific ... colored, and have a narrow, long anal fin on their lower side next to the tail. .... If the fish stays in one position for hours at a time, is this a sign of pregnancy?

www.molly-fish.com/pregnant.html

How Long? ... To do this we watch closely for the pregnant Molly female to get super close to .... She stayed in the birthing box for a full week, not one baby .

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Jan 23, 2012 ... Platy giving birth amazingly up close footage! This is Rosie she is a Platy and this is her first lot of babies. Platy are livebearers, which means ...
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Sep 9, 2017 ... Your browser does not currently recognize any of the video formats available. Click here to visit our frequently asked questions about HTML5 ...
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May 8, 2018 ... How long do molly fish stay pregnant? . A teaspoon of aquarium salt per 5 gallons water will go a long way in helping them. Platies, as well ...
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Feb 2, 2018 ... Your browser does not currently recognize any of the video formats available. ... How to know if female platy is pregnant and when to use a breeding box ... how to know when pregnant platy female will give birth? ... Top 10 Fish Keeping Myths , These Are Lies That Many People Believe - Duration: 16:16.

www.reference.com/pets-animals/long-fish-stay-pregnant-484d2f5986f97276

The length of pregnancy in a fish varies greatly depending on the species of fish. The length of pregnancy, or gestation period, can vary from as little as three ...