Appistogramma Agassizii

[ksam]

I've not had this pair that long, they were sold as a pair (ie male& female) but now I'm having doubt about the smaller one, not quite sure if it is a true female.
It is smaller with smaller fins & less colouring, it tends to hang around the cave more than show off like the other but there's something about that just makes me think it's a male.
here it is

and the definet male (sorry he wouldn't show his fins properly he was too busy catching some food)

I still think male but I've not had this particular appisto before (just hongsloi) and can't find that many good pics of females. If anyone could help that would be brilliant.

Thanks for any help in advance.

 

[a.d.wood]

Hi there,

I reckon it's a sub dominant male.

I like the aggies, but hate sexing them because of the sleeper males that you can end up with (looks sort of female, but it's just a defence strategy to stop the dominant male bullying the rivals).

Key thing to look for, in the caudal fin (apart from the lanceolated shape for the male), females shouldn't show any colour or pattern within the fin.

Andrew