08-20-2011, 10:33 PM
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Originally Posted by KendraMc
how many swordtails is it best to have? i have a 29 gal tank currently with two swords (one male one female) a pleco and 5 tiger barbs. i know i'm close to full, but i was thinking about getting one or two more female swords. does this sound like a good idea?
With respect Kendra
actually it was (or at least in part, as in your OP). I think it would be unwise to add anymore as you do not have the room (as mentioned in Byron's quote I posted) if you still intend on adding more tiger barbs. What would be best for the swordtails is to not have them in the tank with the barbs at all, as it is a bad combination.
To answer the question then on how many swordtails is it best to have; keeping only one male in a tank is preferable, as the males can be aggressive in their own right towards other males and become more territorial as they mature. It doesn't specifically matter how many females you have, but 3 is usually recommended, so that the harassment is divided between them. I have never known them to pair up as such, but even if they did, the males constant attention will take a toll the the lone female. I have always kept a ratio of more females to males with any livebearers I have had.