Id & sexing a Jaguar

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Fishenvy

Piranha
MFK Member
Jan 5, 2020
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Elmwood, Wi
I guess I mistitled the thread so pardon my mistake.

But IJust recieved my jag and I'm super pumped so I wanted to take a photo of her now so i dont have to stress her later.

It's been 2 days since the photo. Her belly is huge yet she hasn't eaten. I'm almost convinced I did receive a female but can someone tell me if the vent is female?

Thanks in advance



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Being stressed out and new, the colors wouldn't be an indication of sex until it is relaxed in the tank. Looks female from the vent. The male that I had, looked different in the vent area.
 
looks female to me but put in the water and take a pick so we can see better.
 
looks all female to me.
 
I think female also
how can you tell?
looks all female to me.
How old might she be?

She's pretty beat up. She was in a tank with several large cichlids. Her find are ugly.

I'll update once she's looking like she's ready for a friday night out. My other 2 juvenile jaguars are looking excellent. I will have to update them soon..
 
how can you tell?

How old might she be?

She's pretty beat up. She was in a tank with several large cichlids. Her find are ugly.

I'll update once she's looking like she's ready for a friday night out. My other 2 juvenile jaguars are looking excellent. I will have to update them soon..
Females present a more streamlined torpedo shape, especially in the head profile (like yours).
Females also have fewer spots in the jaw area, and often present a large prominent blotch (like yours) but....if your is young, and was kept with more dominant tank mates, it could be faking it (subordinate males, will often fake it).
Here's an example using the jags very close cousin a Parachromis motaguense as examples
First a female.

Note the sharper, more pointed face, and lack of small spots on the jaw.
Now a male

His head is less pointed, rising up at the forehead, also note the small spots on the gill plate.
These differences are often more dramatic when you see a pair together.

Also note the color pattern (although this can change) with the dark, more prominent blotching on the flanks of the female, and gill plate/face, compared to the smaller spotting on the larger more robust male.
 
Females present a more streamlined torpedo shape, especially in the head profile (like yours).
Females also have fewer spots in the jaw area, and often present a large prominent blotch (like yours) but....if your is young, and was kept with more dominant tank mates, it could be faking it (subordinate males, will often fake it).
Here's an example using the jags very close cousin a Parachromis motaguense as examples
First a female.

Note the sharper, more pointed face, and lack of small spots on the jaw.
Now a male

His head is less pointed, rising up at the forehead, also note the small spots on the gill plate.
These differences are often more dramatic when you see a pair together.

Also note the color pattern (although this can change) with the dark, more prominent blotching on the flanks of the female, and gill plate/face, compared to the smaller spotting on the larger more robust male.
Thank you so much for that knowledge. It's clear as day. I have a few juvies that I can now go back and sex.

So I can use this method for all parachromis species?
 
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