These are my Trout Goodeids (Illyodon furcidens) from my home-bred line at High Desert Aquatics in Reno, Nevada—larger Mexican livebearers with a “mini trout” look; males show bold yellow/black markings along the body and belly, while females are a bit more subdued, and adult females can push ~4" (they do best in clean, well-oxygenated water in the high 60s to low 70s). This is a selectively bred, long-established captive line developed by Greg Sage (Select Aquatics) to emphasize consisten...