trangle shap on swordtail. What is it?

magafish18

AC Members
Jul 4, 2006
168
0
0
Clarkston MI
i get back for my LFS with a female brick swordtail. and i saw a trangle shap on my swordtail what is this? :huh:

tanks for your help.
 
this is her


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yep, she's preggars!
 
It is called a gravid spot
 
The triangle is called a gravid spot. As everyone else has already said, it is an indication of pregnacy, those are actually the eyes of the fry. With my sunset platy I could 'see' some of the babies. Congrats! If you want to keep the babies you'll need to add lots of plant cover for the fry, otherwise the adult will eat the babies. A big ball of java moss would work well for this or you could get a grow-out tank.
 
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