Sex, Silver arowana.

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Aparantly, you can tell from their mouth. A mouth that looks puffed up or swelling is suppose to be a male as he carries all the eggs, while the female is suppose to have the flat mouth. Going by this, that looks like a male.
 
ethnics;2817254; said:
wrong. goodluck. jus keep it and be happy
Thats what i used to think until i saw pictures of pairs and how each pair had one with a swelling mouth while the other one had a flat mouth.
 
Probably just a coincidence and even if it was true, yea, you can't really sex every aro this way.
 
Even if it's just a 80% chance of male i'd be happy.

It's for sale now, i'm thinking of getting it, it's 24" now.
 
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