need help, what is channa sp platinum?

[na_cheers]

hi all, i got offer two pieces of this channa, size around 6 inch. i want to know what is max size? where it came from? is it some kind a morph of some other channa? striata? and is it rare now days? fish selling at about 100 dollar each.

thank you for help

 

[bottles]

A side pic may help, but your probably right with Striata.