Photo: A male Hifin Redwag Swordtail. I’m beginning a blog series on introducing new genes (technically alleles, but I’ll bow to common usage) into a xiphophorine population. In this blog I’ll discuss the mechanics of introducing a single dominant gene into a xiphophorine population. By the way, ... Read More
hifin platies
Freckle Hifin Genetic Tests
I recently sent off a column to Tropical Fish Hobbyist (TFH) magazine about a strain of Hifin Platies we have that breeds true. For those of you who don’t know, the hifin gene is a homozygous lethal in swordtails and platies. Fish that inherit two hifin genes, one from each parent, die as embryos. ... Read More