Medaka Variety Improvement Course
An intermediate course on medaka selective breeding, covering cross-selection, trait fixation, and creating new varieties.
Genetics Fundamentals
20分Understand how body color and shape are inherited in medaka. Learn dominant/recessive patterns and the concept of polygenic inheritance.
Read article →Selection Basics
15分Learn the selection process from F1 to F2 generations. How to identify target traits, optimal timing for selection, and handling culled individuals.
Read article →Breeding Plan
15分Key points for efficient line breeding. Learn when to use line breeding vs outcrossing, and how to manage bloodlines to prevent inbreeding depression.
Read article →Trait Fixation
20分How to fix popular traits like lame (glitter), hikari body type, and daruma at high rates. Estimating fixation rates and generations needed for stable lines.
Read article →Naming & Recording New Varieties
15分Naming conventions and variety registration for new creations. How to maintain breeding records and document traits with photography.
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