Red Hook ID??

[neonvertigo]

We got two of these in a bag of mixed silver dollars (wild caught colombian) Are they they mutants or a different species?
If you look in the tank you can see some of the other silver dollar species in there.
http://www.youtube.com/watch?v=yQXi9pROhig

 

[neonvertigo]

hmmm... no guesses? That anal fin has got to be a give away to someone!
BAMP I suppose.

 

[Allan01230]

That is a red hook with red missing from long fin.

 

[PayaraMan]

Spotted SD's.