Unknown Hypans/Help ID

[bigfishsmallpond]

L-66 is what thay are
not L-333 thay are yellow

 

[bigfishsmallpond]

see.......

 

[Flash]

Naa. They're Lower Xingu's. I'm positive.

 

[Flash]

No Lower Xingu pix here, but all the other "main" Hypans are here. http://www.plecofanatics.com/articles/showentry.php?e=323

 

[COL]

That's my article, but I'm still not positive that it's a lower xingu.

I can get back to you on it, though.

 

[ShadowStryder]

That's my article, but I'm still not positive that it's a lower xingu.

I can get back to you on it, though.

I am assuming this is Cup from Plecofanatics, Your expertise is appreciated.
Was also wondering, in picture two the specimen on the bottom left, appears
that the nose has a little different shape. Not as long and is wider.
Is this a way of differentiating male and female? And if so which is which?

Thanks for the replies everyone.

 

[COL]

These are too young for now to sex confidently. Morphology may have already begun to differ, but I would hold off and wait for them to grow a bit and become conditioned before even trying.

 

[ShadowStryder]

These are too young for now to sex confidently. Morphology may have already begun to differ, but I would hold off and wait for them to grow a bit and become conditioned before even trying.

I understand that they are to small to sex, but was wondering about the difference in the shape of the nose and head. Is this common or is this a morphology that you were speaking of.

 

[COL]

They look like they are rounding off to subadulthood, so I would not be surprised if some dimorphic traits start popping up. Head shape is indicative of sex in many instances.

 

[Freakdaddy]

Hi
just to chuck a spanner in the works as it were, they could be L333's as there is a black white variation of these animals.