Coming back to this fascinating project...

In the article I have been using for some help (Markku Varjo 2005: Kalojen kääpiösarjalaiset)... there're still these left:
Flame Tetra (
Hyphessobrycon flammeus)
Black Neon Tetra (
Hyphessobrycon herbertaxelrodi)
Black Phantom Tetra (
Hyphessobrycon megalopterus)
Red-Tailed Phantom Tetra (
Hyphessobrycon roseus)
(
Hyphessobrycon eques)
Marbled Hatchetfish (
Carnegiella strigata strigata)
Carnegiella strigata fasciata
Black-winged Hatchetfish (
Carnegiella marthae)
Pygmy Hatchetfish (
Carnegiella myersi)
False Cory (
Aspidoras pauciradiatus)
Hara jerdoni
Shadow Catfish (
Hyalobagrus flavus, ex.
Pelteobagrus ornatus)