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Tags: Fish, Aquarium, Freshwater, Saltwater, Tanks 

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Murderous Molly?

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Irrlich
Vice Captain

PostPosted: Mon Aug 21, 2006 7:19 pm


I reacently bought a trio of mollies from the store, I've never had these fish before, only guppies, and i though they would be much the same.
I keep them with 1 pleco and three goldfish. All of them much bigger then the mollies.
Today i see one of the mollies, the female that had youngs is now chasing and pecking the goldfish, though not nipping their fins.
She's not however, the least bit interested in the pleco or the other mollies. Nor the two leftover babies that stayed in the aquarium.
(the rest of the fry is in a breeder tank that drifts in the same aquarium)

So should I move her out of the aquaruim to give the goldfish some rest? I'm rather reluctant to place her with the ram and gouramie, they are both smaller.
PostPosted: Wed Aug 23, 2006 8:20 am


Well never mind, the 'problem' solved itself mostly. The goldfish now avoid the mollie and she leaves them alone, only during feeding time when every one bumps in to eachother she gets agitated again.
I think my mistake was thinking that mollies are exactly like guppies. Obviously they are not, they are much more dominant it seems.

The two other mollies, male and female, make this odd dance right after feeding. Dad says it's a mating dance, and that sword tails do it too. He used to have mollies, but has never seen this happen before.
I think it looks rather vicious, the male initiate's it, and they then circle eachother nipping mostly at the belly area. The female seems to have the upper hand though.
The other female (the one who already had fry) is not aloud to intervene or come near, the male chases her off. He is also not the least bit interested in her and she swims alone, while the other two swim in a pair. I never heard of mollies making a pair.

Irrlich
Vice Captain


Kyosuke_Hayami

PostPosted: Thu Aug 31, 2006 8:07 am


Since your "mollies" havent died yet then they probably arnt mollies, almost every fish store I go to (except the ones I buy fish from) have their mollies and platties mixed up. They do look alot alike but mollies cant live without salt and platties are tolerant of it and could really care less. As for keeping them with gold fish, that will probably kill one or the other type of fish depending on whether or not you're heating the tank or leaving it cold, I would recomend going out and getting a 10 gallon tank you dont need a stand cause its pretty light and putting the platties in there and if you have a heater keep it with the platies (and I'm 99% sure they're platies). Its an inexpensive way to keep both of these fish alive. I bought a kit that came with a little filter and everything for about $25.
PostPosted: Fri Mar 30, 2007 8:16 am


yeah I was going to ask you about your tank size. the smaller the tank is the bigger the hostilities among fish can be. goldfish need at least 10 gallons of water per fish to live a long healthy life.
I have a 25 gallon tank with a pair of baby goldfish and two mollies. the mollies are very peaceful . they might get a bit territorial when mating though...

Impeach Your Bush


CtHM

PostPosted: Tue Jul 03, 2007 12:12 am


I have a mollie in a freshwater tank (I do know it's a molly and not a plattie) I actually just moved him to a different tank though. Anyway, my mollie is a bully too D: She picks on my puffers and tetras. I just moved her to my 5 gal. Tank with my 6 inch goldfish who is VERY Hyper. Atleast Keep my molly in it's place. lol
PostPosted: Thu Oct 18, 2007 1:01 pm


Generally when a mother has babies they are more agressive by nature to help make sure thier offspring makes it and going after anything it percieve as a threat is just natural. I would have sugested seperating her from the other fish as soon as it was possible as well as the fry to help ensure they mostly survive. Especially since the pair are doing the mating dance. The females always seem to have the upper hand but that is because they are trying to maximize the chances of getting fertilized.

what temperature is you goldfish at? generally the higher the temp the more active they are and the more they will eat. Fish can pair off. My Oscars paired at three months old and are now tank mates for life.

readyamber

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