Sexing bichir, possible?

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LaPrice

Feeder Fish
MFK Member
At what size could you sex a bichir? if at all possible? just out of curiosity
 
Around 4" it becomes possible to sex, but I wait until around 6"-8" to be sure. Your really just looking to see if it's a male or not, because they all look like females until they turn either male or stay female. So if it hasn't gotten a fleshy analysts fin around 6"-8" I say it's a female. I've had males turn at all different sizes ranging from 4"-8" so I think that's the range.
 
Yup, just take a look at its anal fin. It will have a swollen, muscled appearance. This is so that it can create a "cup" with its fin in order to hold and fertilize a females eggs.
 
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Ok cool. I'll get a better look at my Senegal when I'm back from work since it's in the size range to sexed. My delhezi however I think us way younger than I thought. Swear I saw gill frills when there super little .
 
Does this apply to all bichirs?.
One of my 9 inch delhezis has wide anal fin while the other one has a thinner anal fin.
 
Does this apply to all bichirs?.
One of my 9 inch delhezis has wide anal fin while the other one has a thinner anal fin.
Yes, from the description you have given you most likely have a male and a female. The female should be a female, because if it is around 9 inches then it has had enough time to develop it's anal fin if it was a male.
 
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Ok cool. I'll get a better look at my Senegal when I'm back from work since it's in the size range to sexed. My delhezi however I think us way younger than I thought. Swear I saw gill frills when there super little .
My dels had the gill frills 2 months ago at 9", i thought something was wrong. Was only a few days.
I've never seen this before but they are eating fine and fat.
 
yea, hes doing fine. prefers woodworms at the moment but hes too small yet for my massivore pellets
hes a maybe 3 inchs long, not big at all XD
 
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