HELP TO ID THESE CORYDORAS

Could someone please help ID these corydoras, i have had them around 4 months now and i would just like to know what they are for once..
they cost a bomb but would like to know as they are starting the up/down motion..




cheers
chris

up and down motion?, cant remeber the scientific name. sorry. hahaha

peace

weisel said:

up and down motion?, cant remeber the scientific name. sorry. hahaha

peace

Click to expand...

Getting ready to spawn. Cleaning potential spawning site.

Anyway, The fish look like Ambiacus

How to tell them apart from agassizii ?