still trying to sex bocourtis

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darthodo

Feeder Fish
MFK Member
Apr 4, 2006
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Georgia
Still trying to figure out these bocourtis. They range from 3 - 4 inches now. Two are noticeably bigger than the rest and eat more food, but they look different from each other. The largest one has very little color, a good bit of black along the lateral line, and is not very aggressive. The second largest one has very little black along the lateral line, has more small black specks on the sides, has a good bit more red and orange, and is much more aggressive. The other three look like small versions of the largest one that I first described. The second largest one (and the most colorful) has claimed a territory and defends it to no end. It also is a food hog along with the largest fish, and it actually pushes the larger fish around some. Can't get a feel for differences in body shape yet, but if one were to ask me I'd say the colorful, more boisterous one is more round than the others. Can behavior and color be used at all to get an idea of the sex of these fish?
 
it sounds like you have one male and the rest females. could you get some pics??
 
Modest_Man;2385966; said:
Only way I've found is to feed them a ton till their genital papilla stick out.

LOL. That's what I've been trying to do. I'm camera-challenged right now so no pics available.
 
Mine is a boy, if that helps.

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He looks nice. How long did it take to get him that big?
 
He didn't grow much for the first couple months I had him, mainly due to the fact that I really only feed large pellets and he was a 2-3" fish in a 210 gallon with several 8-10" fish. Once he could get/eat the large sized pellets his growth has been amazing.

He's probably grown 3" in the last 2 months.
 
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