Archive / Breeding

RSS feed for this section
Photo of a shoal of Poecilia reticulata, McCauley Springs, NM.

Update on Poecilia reticulata, McCauley Spring

Photo: a shoal of Poecilia reticulata, McCauley Spring I first wrote about this fish for my column in Tropical Fish Hobbyist, January 2013 issue (http://www.tfhmagazine.com/details/articles/expendition-to-mccauley-spring.htm). Here’s a quote from that article about this guppy (the quote comes from my original text and may differ from the published text): “Most everyone is familiar with Poecilia reticulata, […]

Female Red Tuxedo Lyretail Swordtail.

Fancy Red Tuxedo Swordtails

Photo: Female Red Tuxedo Lyretail Swordtail. As is typical of our strain, females don’t have as bright red coloration as males. We’ve started working on adding three fancy fin types, lyretail, hifin, and plumetail to each of our commercial swordtail, maculatus, and variatus lines. I’m going to use our Red Tuxedo Swords to demonstrate how […]

Photo of an Orange Freckled Swordtail male.

Orange Freckled Swordtails

Photo above is a male Orange Freckled Swordtail. The grid behind him is in inches and shows his size. Those of you who have read many of my past articles and blogs know that a common theme throughout my writings is serendipity (could also be called “luck”). This interesting fish arose from a mistake. The […]

Photo of a Giant Sailfin Molly male.

Blue and Giant Mollies

  Photo: A male Giant Sailfin Molly showing his size against a one-inch grid. About four years ago, I wrote an article about my efforts to produce a blue molly. A molly blue enough for my tastes doesn’t exist. This blog will provide an update. First, I’ll summarize the article. In 1998, I crossed a […]

Photo of a female Veiltail Blushing Swordtail.

Veiltail Swordtail

Photo: A female Veiltail Swordtail. A few months ago while processing our Blushing Swordtails I discovered an unusual female. She appeared to be a veiltail, but I wasn’t sure. Before continuing discussing that particular female, let me provide some background. Our breeding colony of Blushing Swordtails consists of lyretail females and normal males. Why is […]

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 […]