I'm not a Characin expert. I keep these as dithers for my pleco tanks so it doesn't look like I'm just soaking driftwood in empty tanks. I know some of these aren't Characins but they are all dithers to me.
Leporinus 180
Leporinus 200
Leporinus 300 synaptomaleus cingulatus
Leporinus 120 very black with red fins
Leporinus Pseudanos Argentina
Leporinus big with 4 spots
Leporinus multi spots only one
Big eye tetra tetragonopterus argenteus
Pink tailed Chalceus macrolepidotus
Leporinus fasciatus
Leporinus brunneus
Toxotes blythii
Poptella paraguayensis

Leporinus 180
Leporinus 200
Leporinus 300 synaptomaleus cingulatus
Leporinus 120 very black with red fins
Leporinus Pseudanos Argentina
Leporinus big with 4 spots
Leporinus multi spots only one
Big eye tetra tetragonopterus argenteus
Pink tailed Chalceus macrolepidotus
Leporinus fasciatus
Leporinus brunneus
Toxotes blythii
Poptella paraguayensis
