Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   Another stupid question... (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/another-stupid-question-46366/)

Inga 07-02-2010 05:33 PM

Another stupid question...
 
Hi everyone, I will apologize ahead if this is a stupid question but I really don't know the answer. I am seeing a lot of threads about peoples fish breeding, having babies etc... I was wondering, do you have to always have even numbers of fish? How do you know how they will pair off or even if they will pair off? I do not want a tank full of babies. I also keep hearing that some species can become aggressive when mating. I don't want anyone mating, is there a way to prevent it other then only having one of each kind of fish? How do you handle that in species that prefer to school, like Tiger Barbs?

bones14 07-02-2010 05:50 PM

I have never had my Tiger Barbs mate.Usually in a community tank most of the fry are not going to survive anyway unless it is heavily planted with plenty of hiding places or you seperate the fry from the rest of the fish.I had a Mollie give birth about a week after I bought it.Came home to a tank full of babies and the adult Mollies having a feast.I was able to get 19 babies out of the tank before they were eaten or sucked up the filter.Of all of those I have 2 that have lived and are in the tank now.


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