09-10-2009, 10:11 AM
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Originally Posted by WarmCat
Decided Bolivian Rams...
Male and Female do you think?
(Male on the right)
The light seems to have hit in such a way that makes them both appear very different colours, however they are rather similar.
The main difference seems to be the length of the tail fin "rays".
Nice fish Wayne; and from what I can see, a nice environment for them, dark substrate (excellent) and looks like wood behind. Hard to see fin extensions in the photo, but if one has longer extensions on the caudal, that is the male (all else being equal). Also behaviour will tell you, at least once they have settled into the aquarium. If they swim together or generally seem to tolerate each other's company they are probably a m/f pair. If they are continually driving one another out of their way, so to speak, more likely two males.