Sexing L397

[Bostik]

Hi
Can you help me to sex this L397?
Thanks
Fish 1 female?
http://www.plecoplanet.com/forum/attachment.php?attachmentid=5300&stc=1&d=1414170474
Fish 2 male?
http://www.plecoplanet.com/forum/attachment.php?attachmentid=5299&stc=1&d=1414168707
FISH 3 alpha male?
http://www.plecoplanet.com/forum/attachment.php?attachmentid=5300&stc=1&d=1414170733

 

[leisure_man]

They are all the same picture....

 

[Bostik]

i try again...
fish 1 alpha male?

fish 2 female?

fish 3 male?