Category Archives: Guppies anatomy & genetics

Let’s learn about guppy anatomy and genetics …

RED Moscow from Russia

I found this photo of Moscow Red (from Bakanov V.P.) to be very interesting and that is why I want to share with you (in case that you did not have a chance to see it before).       … Continue reading

Posted in Guppies anatomy & genetics, My Blog (by Igor D.) | Tagged ,

Moscow ‘Top Swordtail’ guppy?

Some time ago I found this very interesting photo of ‘Moscow Top Swordtail’ posted by Stan De Jong. Unfortunately, Stan has not sure how he came to this result since he keept several stains together in the tank where this … Continue reading

Posted in Guppies anatomy & genetics, My Blog (by Igor D.) | Tagged , , , , , , , , | Leave a comment

Gene variations in breeding guppies by J. Håkan Turesson

Genetic variation means the following – there are various variants of gene abnormalities within a population or an individual. Each specific fish has only two copies of each gene, so it can have a maximum of two gene variants. However, … Continue reading

Posted in Guppies anatomy & genetics | Tagged , , , , , ,

Comment on article – Selecting females for certain, better color by Kovalevsky V.

This comment and remark are related to the article of Kovalevsky V. “Selecting females for certain, better color“. Methyltestosterone hormones are so effective at causing the sex changes in fish that some fish farms in both the U.S. and abroad … Continue reading

Posted in Guppies anatomy & genetics, My Blog (by Igor D.), X file | Tagged , ,

Kirpichnikov Valentin Sergeevich – the outstanding Russian biologist

Kirpichnikov Valentin Sergeevich (1908–1991) — the outstanding Russian biologist, Dr.Sci.Biol., the academician of the Russian Academy of Natural Sciences, the Hero of the Socialist Work who has brought the big contribution to studying of Pacific salmons. Was born on August, … Continue reading

Posted in Guppies anatomy & genetics | Tagged

NOTE for new Russian table of guppies color genetics

[+] [Russian table of guppies color genetics] SYMBOLS of alleles: Dominant alleles: M – the presence of melanin (black pigment) G – the presence of guanine (сonditionaly blue pigment) E – the presence of astaxanthin (red pigment) X – the … Continue reading

Posted in Guppies anatomy & genetics, My Blog (by Igor D.), X file | Tagged

MOSCOW Scarlet guppy

This is the only guppy with the photo evidence which they all Russian breeders call “MOSCOW” Scarlet! As I have already said in one of my previous articles that to this day I have not been able to find documentation … Continue reading

Posted in Guppies - history of the species, Guppies anatomy & genetics, My Blog (by Igor D.), X file | Tagged , , , , , | Leave a comment

About the Moscow breed – post by Юрмен in Russian and English

Visually clarification / evidence were not recorded or published. It is a medium-sized fish, although giants sometimes appeared among them. The shape of the male is elegant, it is relatively narrow, but not effeminate. The prehistory is ruby-colored or blood-red, … Continue reading

Posted in Guppies - history of the species, Guppies anatomy & genetics, X file | Tagged , , , , ,

Selecting females for certain, better color by Kovalevsky V.

If the next task is to work on color, then after selecting the most suitable male, it is necessary to find females that would give the offspring a certain, better color. For this purpose resort to the test with a … Continue reading

Posted in Guppies - breeding, Guppies anatomy & genetics | Tagged , , , , , ,

The difference between Ribbon and Swallow guppies

The ribbon only has long anal fins and most often a long dorsal fin, that it makes the females look more attractive to keep and in my opinion, they are beautiful! The tail (caudal) is not affected by the ribbon … Continue reading

Posted in Guppies anatomy & genetics, My Blog (by Igor D.) | Tagged , , , ,

Giessen trait of long fins – RIBBON FINS

by Igor Dusanic for Chesapeake Guppy Club         Sve fotografije su moje vlasnistvo (u slucaju da nisu, autori/vlasnici tih slika su navedeni u tekstu ili su potpisani ispod fotografije/slike) i mogu biti koristene samo u obrazovne svrhe … Continue reading

Posted in Guppies anatomy & genetics, My Blog (by Igor D.) | Tagged

Why guppies have genital claws

Male guppies use genital claws to increase the transfer of sperm in mating, researchers say. New research from evolutionary biologists at the University of Toronto shows that the male guppy grows claws on its genitals to make it more difficult … Continue reading

Posted in Guppies anatomy & genetics | Tagged , ,

Guppies and sexual conflict? It’s a genital arms race

(Phys.org) —It’s not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species. … Continue reading

Posted in Guppies anatomy & genetics | Tagged , , ,

Leucophores / Genetics

Leucophores are flattened, elongate, reflective cells found in the skin of many shallow-water octopods, some cuttlefish and the squid Sepioteuthis (Hanlon and Messenger, 1996). According to Cloney and Brocco (1983) each cell body of a leucophore contains a nucleus, scattered … Continue reading

Posted in Guppies anatomy & genetics | Tagged , , | Leave a comment

Guppy Colouration by Mary Jane

So, What Colour Are Your Guppies? There are four main body colours in most fancy guppies: the golden, blond, albino, and the original, wild, gray. There are also a couple of rare colours which are bronze (such as the Moscow … Continue reading

Posted in Guppies anatomy & genetics, X file | Tagged , , , ,

COMPATIBLE STRAINS / BY JIM ALDERSON

Just about every PPGA meeting I will bring a trio of fish for a new member. After handing the fish over to the new guppy enthusiast, one of the first things they always ask is “Do you think these will … Continue reading

Posted in Guppies - breeding, Guppies anatomy & genetics | Tagged

GENES / COLORS AND THEIR LOCATION – from Germany

Genes/Colors and their location: Body colors (all autosomal) are: – grey – dominant over all over body colors – gold/tiger/bronze – recessive – blond/gold – recessive – albino/rrea – recessive there are two different genes which cause the albino phenotype … Continue reading

Posted in Guppies anatomy & genetics, X file | Tagged

VARIETY IN GUPPIES WHEN SPACE IS LIMITED / BY MIDGE HILL

Part 1. Most guppy breeders love variety … this is usually why they pick guppies in the first place. But raising a large variety of different types properly takes a great many tanks and a lot of space. It is … Continue reading

Posted in Guppies - breeding, Guppies anatomy & genetics | Tagged

Reflections on ‘Russian Base Body Colors’ theory

Genotypes with full or reduced synthesis of given color are build of four parts: MM – means full synthesis of melanine (black) GG – means full synthesis of guanine (reflective/blue) EE – means full synthesis of astaxanthin and others carotenoids … Continue reading

Posted in Guppies anatomy & genetics, My Blog (by Igor D.), X file | Tagged , , , , ,

IMPROVING EXISTING STRAINS AND CREATING NEW STRAINS BY JIM ALDERSON

BREEDING TECHNIQUES FOR MAINTAINING & IMPROVING EXISTING STRAINS AND CREATING NEW STRAINS; TO IMPROVE ALBINOS: Gold Red Male X Albino Female = 100 % Gray Reds Gray Red Male X Albino Female (original strain) = 50 % Albinos with vigor. … Continue reading

Posted in Guppies - breeding, Guppies anatomy & genetics