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Photo of a group of Blue Opal Maculatus showing two color variations.

Developing a Hifin Plumetail Blue Opal Maculatus

Photo: A group of Blue Opal Maculatus Years ago I created what I called a Hifin Blue Opal Maculatus, as its name implies a maculatus-type platy. I wrote about creating this fish for Tropical Fish Hobbyist. To read the TFH article see: http://www.tfhmagazine.com/details/articles/the-blue-opal-platy-serendipity-in-breeding.htm. I’ll provide a synopsis of the development of this fish below. Long […]

Photo of male silver lyretail molly.

Fish Breeding, Introducing Recessive Gene

Photo is a male silver lyretail molly displaying a nice sailfin. This is the fish you want to create starting with a male silver sailfin molly and female green lyretail sailfin mollies Fish Breeding, Introducing Recessive Gene Recently I began a blog series on introducing new genes into a livebearer population. Technically the proper usage […]

Photo of a male hifin redwag swordtail.

Introducing a Dominant Gene

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, this doesn’t only apply to xiphophorines or even […]

Photo of a male Labidochromis caeruleus commonly called Lemon Yellow Lab.

Labidochromis caeruleus ‘Gold’

Photo: A male Labidochromis caeruleus ‘Gold’ or ‘Lemon Yellow Lab.’ We raise a lot of African cichlids, especially those from Lake Malawi in East Africa. One of these is very popular with our aquarium maintenance customers due to its bright yellow coloration. This species is Labidochromis caeruleus ‘Gold.’ The ‘Gold’ designation indicates it is the […]

Photo of a first generation Red Freckled Hifin Swordtail resulting.

Red Freckled Hifin Swordtail

Photo: A first generation Red Freckled Hifin Swordtail male in front of one inch grid to show size. Okay, it’s going to take a while to untangle the genealogy of this fish. Let’s take the female first. The pictured female is large. She’s in front of a one-inch grid that shows she almost four inches […]

Photo of a male Giant Marble Liberty Molly

Giant Marble Liberty Molly Update

Photo: Our current Giant Marble Liberty Molly breeder male. I originally wrote about this fish in May, 2015 (see my blog http://goliadfarms.com/giant-marble-liberty-mollies/). We have now gone through a couple of additional generations so I’m providing an update on the status of this molly strain. Please read the earlier blog for its history. I plan to […]

Photo of a pair of Giant Redtail Blue Variatus and two mature male Redtail Blue Variatus.

Giant Redtail Blue Variatus Update

Photo: Our breeding male Giant Redtail Blue Variatus and one of his females. The two smaller fish are mature Redtail Blue Variatus. A while back I wrote about a new strain of fish we were developing (see: http://goliadfarms.com/giant-redtail-blue-variatus/). This blog gives a mixed bag of updates. The Giant Redtail Blue Variatus, as its name indicates, […]