Can someone put a name to these

[Big Den]

Thanks fellers, bit new to this forum, and posting pictures, but here goes, bear with me.

 

[scatz]

Hi Den, and welcome to the site.
looks like you have a gibby and 2 commons

Gibby:
http://www.plecoplanet.com/forum/showthread.php?t=1698

Commons:
http://www.plecoplanet.com/forum/showthread.php?t=1624

 

[Big Den]

Thanks for that. So the bottom 2 are both the same, and the top one, what I call a 'sailfin' is a gibby?

 

[Doodles]

yup this one is the gibby

 

[SmithRC]

Gibby / sail fin - same fish, different names.