from recollection Green Terrors can be sexed by the length of the dorsal and
anal fins. Male fins go back almost past the tail fin and are pointed,
whereas the female fins are rounded and end just before or after the start
of the tail fin. You won't be able to sex them by finnage until they are
about 4" (10cm) in length. You could try venting them, but I really don't
much like the idea.

Fantastic fish, I had 5 in a 200l tank around 6/7 years ago and could have
staring fights with the dominant male who didn't like me being in the same
room as the tank.

I had them with a Blue Acara female some Firemouths and some Keyholes (not
an ideal mix I know, but they co-existed fairly happily until spawning, and
I did originally buy what I thought were 6 Blue Acaras) and the alpha male
always spawned with the female Blue Acara. Nothing happened with the fry,
though.

They like soft water with fine gravel, go for around 7° KH/GH and a pH of
around 7,2 and I don't think you'll be too way off. If it helps, mine always
spawned on slate in open water.

Hope this helps!

richi

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"R P" wrote in message
...
Can anyone help me with my Green Terror's (Aequidens rivulatus).

Reproduction, diferences male/female... aquarium conditions(size, pH,
plants,...)
I've got 3 of them. in a 40L aquarium

Thanks,
R P