Wild-type / Red flame
A variant of Dwarf gourami (Trichogaster lalius)

Representative Dwarf gouramiphoto — a dedicated image of this exact morph isn't available yet.
The natural form: males show alternating diagonal turquoise-blue and red-orange bars across the flank, females are plain silvery. The basis for every line-bred color variety.
Keeper tips for this variant
This species is notoriously prone to Dwarf Gourami Iridovirus (DGIV) from farmed stock — quarantine new fish and buy from reputable breeders, as wild-pattern fish are no more resistant than fancy ones.