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RE: Beginner needs help! (Was: High density fish tank)

> From: John Wubbolt
> Sent: Wednesday, May 22, 2002 7:51 PM
> ...dont mix the pelvicachromis species in with
> the south american species... for some reason
> they never do well together...  old world fish
> with old world fish, new world fish in with new
> world fish...

>> From: David Soares
>> Sent: Wednesday, May 22, 2002 8:23 PM
>> For some reason African fish seem to be more
>> aggressive, at least to me they do

>>> From: salS
>>> Sent: Wednesday, May 22, 2002 8:42 PM
>>> Or, come look in my tanks...My theory,
>>>  " If it works for you it's OK!!"

One of Paul Loiselle's monthly AFM columns examined the issue a couple of
years ago. As I seem to remember, the gist of it was a difference in
instinctual cues: one, for instance, goes "heads down" as a submissive pose
while the other turns "heads up". I would imagine that the flurry of poses
and displays of mating could often be misinterpreted (maybe even more so).

He suggested caution in mixing the two, but as usual with a "cichlid" column
the type of fish under discussion were of the more aggressive varieties.
I've kept the two (Apisto and Pelvi) before, but don't ever remember mixing
them because I usually don't keep Africans where I could have South
Americans - they're more of a first-rate substitution when Apistos are
lacking wherever I may be. Having observed the behavior of both, though, I
don't see where it's necessarily "doomed to failure". You would stand an
even greater chance of success if the mixing occurred with young specimens.


If your intent is to mix them into a densely populated tank, then I would
show some mercy to the Apistos by dedicating them to their own tank. You can
compromise with a pair or two, but a whole population might be too much for
the Pelvis to figure out. Nor will the Apistos wait around while they do, so
the Pelvis might just have to tear into a few or more to get the point
across, if you get my drift...


David A. Youngker

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