PlanetCatfish.com

This should be obvious but I want to be 100%.

Agamyxis
The naked aerea under the first dorsal spine looks like a upwards pointing arrow, but in other fish I see pictures of it is more rounded.

http://www.flickr.com/photos/cyprinoid/3111333324/
http://www.flickr.com/photos/cyprinoid/3111332728/

This one is even more obvious:

Platydoras
http://www.flickr.com/photos/cyprinoid/3067875657/
http://www.flickr.com/photos/cyprinoid/3064314894/

I'd say yes to both being correct except FYI is actually not found in the aquarium trade and is actually .
See this thread for further info.
Nice pics by the way
Martin

Edit: Ok, there's a good description of Platydoras identification here http://www.scielo.br/scielo.php?script= ... 8000300021.

I added an explosion of what I consider 'special' with the Agamyxis.