Dragon scale
A variant of Betta (Betta splendens)
Representative Bettaphoto — a dedicated image of this exact morph isn't available yet.
A betta with thick, metallic, opaque scaling resembling armor, produced by selecting for heavy iridescence.
Keeper tips for this variant
That same thick scaling can creep over the eyes ('diamond eye') and cause blindness — buy clear-eyed individuals and don't breed two heavily-scaled dragons together.