Re: sexing Laetacaras

[Mike & Diane Wise <apistowise@bewellnet.com>]

Laetacara curviceps aren't the easiest fish to sex until they are fully mature.
Then the males are slightly larger, a bit more slender, and have more pointed, but
not extended, dorsal and anal fins.

Both sexes of L. thayeri have longer extensions on the dorsal fin, but again the
male's fin is more pointed.

Mike Wise

Piabinha@aol.com wrote:

> how does one sex these cute little monsters?
>
> i thought i had a female curviceps so i went out and got her a slender fish,
> with more pointy fins, which i think it's a male.  now she is getting pointy
> fins too, although she is still very heavy.  am i correct in assuming that
> females do get very pointy and elongated fins, and unlike apistos, that is not
> a sexual characteristic?  same thing with my thayeri pair, both seem to be
> developing long fins, although i had picked one with less prominent finnage
> than the other.
>
> i also have a M. altispinosa pair where the smaller fish didn't have those
> elongated fins (caudal and dorsal) but then it started developing those and i
> thought, uh oh, i have 2 males.  but it also shows an ovipositor, so i know
> it's a pair.  of course, they have not shown any interest in starting a family
> yet...
>
> tsuh yang chen, nyc
>
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