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 ... Read More
genetics
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, ... Read More
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 ... Read More
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 ... Read More
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 ... Read More
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 ... Read More
Dragon Blood Peacock Cichlid Genetics
Photo: A mature male Red Dragon Blood Peacock Cichlid. A while back I set up a cross between a Red Dragon Blood Cichlid male and some Protomelas taeniolatus ‘Sunshine’ females. That’s him in the photo above. By the way, the grid behind him is in inches, showing how large he is. The Sunshine ... Read More
Blue Iridescent Swordtail
Photo: An early male Blue Iridescent Swordtail used in the development of the strain. We raise a variety of commercial swordtails. While these fish closely resemble the shape of the wild swordtail Xiphophorus hellerii, they are hybrid strains with genes from other Xiphophorus species such as X. ... Read More
Sunset Variatus
Photo: Male Sunset Variatus I’ve recently begun blogging about the Variatus-type Platies we raise. For a discussion about the meaning of “Variatus-type,” check out an earlier blog I wrote about our Redtail Blue Variatus. This blog concerns our Sunset Variatus strain, which we developed ... Read More
Redtail Blue Variatus
Photo: A very nice male Redtail Blue Variatus either challenging another male or displaying for a female. We raise a variety of Variatus-type Platies. I say “Variatus-type” because while they look like Xiphophorus variatus (Variegated Platy), they are commercial strains and might have genes from ... Read More