Stormbringer is correct

White edging on the fins = Silver Saum aka False Green Terror or Aequidens
cf rivulatus
I have also heard that the average store-brought GT is also considered a Saum, the Gold Saum (also A.
cf rivulatus, and not the "true" Green Terror. The "true" Green Terror is said to be extremely rare and substantially more expensive than a Saum.