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[APD] Re: Surplus of Mollies
Scott H. asked:
> "Did you have a problem later with a surplus of mollies?
> They can be industriously reproductive."
I know they can be, and I was fairly worried at first. I figured it
couldn't be that much of a problem, though, compared to the surface
scum. As it turned out, the black mollies did have some babies, but they
weren't as industrious as I might have predicted. I also have some other
fish in there (Gouramies) which kept going after the fry, and that
helped keep their numbers down.
The two problems I had from the introduction of mollies were the
fin/tail rot which mollies seem to be famous for. As soon as the
nitrates went up, then they showed the rot problems. If I let the
nitrates slide, the fin troubles would clear up. That meant it was
difficult to keep a level of nitrates for the plants, but not too much
for the mollies. After a while I got it figured out.
The other problem came with the introduction of a different variety of
molly (my wife and kids liked the colours). Against my better judgment,
we tried mixing the mollies. I knew they would interbreed, but I didn't
think I would create a Frankenstein! I have one molly cross left which
has a gold head and a black body, and he is extremely aggressive to the
other fish. He follows them around and picks away at their slime all day
long. I need to catch him and give him to the LFS, and you know how hard
it is to catch a fish in a planted tank! (I know... I will use a trap).
As long as you stick to ONE kind of mollie, and have something else in
the tank to keep the fry population down, you should be okay. (No
guarantees, here, though.)
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