Should he stay or should he go??? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 10-11-2011, 01:07 PM Thread Starter
Question Should he stay or should he go???

I'm trying to figure out if my new molly fish are doing ok. I recently bought 3 mollys and one of them seem to be picking on the other 2 all the time! After looking up some info on here about them I have figured out that it is a male and I'm just wondering if he is stressing my two females out? or are they just doing the love dance? Any advice would be helpful. Thanks
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post #2 of 4 Old 10-11-2011, 01:40 PM Thread Starter
Question Please help my molly!!

Please watch this video and let me know if this looks like a mating dance or him just being a bully! Thanks! lil twin community - 55 gallon Freshwater fish tank
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post #3 of 4 Old 10-11-2011, 02:41 PM
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That is normal behaviour. I can't see clear enough to tell the sex of the fish, but from the behaviour of the "aggressor" I'm certain it is a male. The other two are likely females.

Some floating plants like Water Sprite would help, and it breaks up the space a bit.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #4 of 4 Old 10-11-2011, 04:06 PM
If you have the space, a 3rd female molly will help even out the aggression so he isn't picking any one 1 too much. With livebearing fish, it can be important to know the gender before buying so you can get appropriate ratios or all females. You got lucky - 1 male:2females isn't too bad! THe other way could have been really stressful!
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