Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
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-   -   Swordtails? (http://www.tropicalfishkeeping.com/livebearers/swordtails-6488/)

Matty_808 06-14-2007 11:39 PM

Swordtails?
 
I was juss trying to figure out the difference between a female and a male swordtail? What should i look for?

Lupin 06-15-2007 12:16 AM

Re: Swordtails?
 
Quote:

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).

Male
-Pointed fin near the anus is actually a gonopodium which is inserted in the female's vent to deposit sperm.
http://i143.photobucket.com/albums/r...6/untitled.jpg

Female
Fin near the anus is triangular in shape.
http://i143.photobucket.com/albums/r.../untitled2.jpg

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.

Matty_808 06-15-2007 09:42 AM

thx....i juss checked i have to male swordtails


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