Course on Betta Genetics – let´s design bettas

Discover how to improve the quality of your betta litters

Genetic improvement, stable lines and prediction of possible phenotypes: the selective breeding of bettas

A great desire among betta breeders worldwide is to obtain quality litters.

Lineage bettas (standards already set), such as dragon, black orchid, chocolate, pacific blue, mustard gas, red copper, yellow mango and pineapple, for example, are standards sought by breeders in their genetic work.

In addition to these traditionally set patterns, we can also create new patterns (or lineages), provided that:

  • Have a stable phenotype;
  • Are replicable, containing a significant amount of similar bettas in the same litter;


Thus, in order to help breeders in the rescue of already established strains, as well as new strains, we launched our Course on Betta Genetics.

This course has its origins in the more than 50 years of handling and studying the genetics of bettas by Vitor Calil Chevitarese, a Brazilian, businessman and engineer who until today is dedicated to the hobby.

On the shoulders of giants, as naturally occurs in science, he presents new genetic models of betta fish. Genetic traits never before discussed (or published in books and on the web) in the visual characteristics of bettas are presented in this work. Undoubtedly, the material exposed here adds to the betta world.

Design your bettas, know the probability of occurrence of each phenotype to guide you in the selection of your matrices!

If you are a breeder and have these difficulties, we have no doubt that this material will teach you new and renowned models in obtaining bettas with superior genetics.

5,5 hours of video classes

Module 1: Basic concepts on Genetics

It consists of an introductory class on genetics, its precepts, elements and forms of transmission. Also learn how to use the Punnett Chart, which will be used extensively in this course for calculating probability.

Module 2: The iridescent color layer

Introduces the module with workable characteristics in the Bettas phenotype. It presents the theoretical model of color layers in Bettas. Detailed the traits controlled by the iridescent layer and make a detailed discussion about each one.

Module 3: The black color layer

A complete approach to traditional melanic traits, with increased melanophores. Also a study on the super blacks, showing the characteristics and peculiarities of each one and their interrelationship. Find out also how the existence of the gene that alters the distribution of chromatophores (the marble gene) and its complications in the search for high genetic standard Bettas behaves in the phenotype.

Module 4: The red and yellow color layers

Understand how the extended red and red loss traits and their approximation with the marble trait appear in the phenotype. An unprecedented modeling on non-reds you will study in this module, explaining how colors in the pink, orange, red, pineappple, chocolate and yellows Bettas phenotypes, showing their interrelationships and how to obtain them.

Module 5: Bettas fins

Identification, structures, branches, abbreviations and discussions about the betta’s fins are covered in this module. Flow format and technical details. Caudal and dorsal peduncles: their importance. Types of fins edges; the ideal relationship in Betta crowntail in terms of aesthetics. The rose tail and feather tail lines, their particularities and aesthetic balance.

Module 6: Masks in Bettas

The problem of the current classification of masks in Bettas is accepted among creators. New modeling proposal on the types of masks in Bettas: without mask, partial mask, full mask and their intermediate states; crossing between these and their probabilities of occurrence.

Module 7: The Giant Bettas

From the study in 2011 carried out by the author, the characteristics and concepts that should be considered in obtaining giant bettas are presented.

Module 8: A methodology for assembling a new line of bettas

All genotypes covered in the course are integrated. The methodology is presented in order to assemble new strains by matrix selection.

Advantages when entering our Course on Betta Genetics 2.0:

  • An integrated and updated didactic course, with new genetic modelings for practical application with your Bettas: an unprecedented modeling for all non-reds.

  • Ninety-nine (99) genotypes explained, with examples and their characterization;

  • More than sixty (60) traits to work with;

  • Know the color formation process in bettas: the different color layers and their interaction;

  • A complete methodology for designing bettas across generations through selective breeding and a case study on Black Salamander Betta;

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