Sexing Bolivian Rams

[jacpaq2000]

I want to know the best way to sex Bolivians and what gender are these 2.


Fish A


Fish B[
ATTACH]263136[/ATTACH]


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[jacpaq2000]

If you need a better picture just let me know


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[jacpaq2000]

Can no one help me?


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[CoeurSauvage]

A better picture might help. It's hard to tell from the odd color of the pictures.Does either fish have a pink belly? This would typically indicate a female.


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[jacpaq2000]

A better picture might help. It's hard to tell from the odd color of the pictures.Does either fish have a pink belly? This would typically indicate a female.


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The color is from the tannins in the water and here's a better picture of fish A


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[Rpeinhardt]

Rams are notoriously difficult to sex, especially juveniles. It's often just a crapshoot.

I find observing the foremost dorsal ray is the easiest means. Males have a longer ray while females' rays are about uniform with the rest of the rays in the dorsal fin.

I've heard that males also have a sheen over their black spot while females do not but my personal experience with rams has been that the area if sheen is very often overlapping the edge of the spot on both genders.

 

[Mebbid]

In Bolivian rams the females have a lumpy chin while the males have a smooth chin. Think of it like a female having an Adams apple.

 

[Gillie]

A better picture might help. It's hard to tell from the odd color of the pictures.Does either fish have a pink belly? This would typically indicate a female.


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You are thinking of Blue rams (M. ramirezi) Bolivians don't get a pink belly.

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[Gillie]

Rams are notoriously difficult to sex, especially juveniles. It's often just a crapshoot.

I find observing the foremost dorsal ray is the easiest means. Males have a longer ray while females' rays are about uniform with the rest of the rays in the dorsal fin.

I've heard that males also have a sheen over their black spot while females do not but my personal experience with rams has been that the area if sheen is very often overlapping the edge of the spot on both genders.

This is also blue rams, but I like the observation at the end of your comment, so many people are confused by using the spangling on the lateral spot technique.

I don't mean to hijack or sidetrack this post but I have 2 females now that prove this point.

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