Swordtails? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 06-14-2007, 11:39 PM Thread Starter

I was juss trying to figure out the difference between a female and a male swordtail? What should i look for?
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post #2 of 3 Old 06-15-2007, 12:16 AM
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Re: Swordtails?

Originally Posted by Matty_808
I was juss trying to figure out the difference between a female and a male swordtail? What should i look for?
Males should develop a 'sword' on their tails as they mature. Females do not have that.

Both of these pictures will show you how to distinguish both sexes. This is applicable to all well-known livebearers (i.e. platies, swordtails, mollies, guppies).

-Pointed fin near the anus is actually a gonopodium which is inserted in the female's vent to deposit sperm.

Fin near the anus is triangular in shape.

Just a warning. Livebearers have a tendency to produce several dozens of fry in a few months so unless you can cope with that lot, chances are you'll have to leave nature to take its course and have most of the fry be eaten to their fellow tankmates. A female can produce several batches of fry in a single mating with a male.

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post #3 of 3 Old 06-15-2007, 09:42 AM Thread Starter
thx....i juss checked i have to male swordtails
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