Unlock the secrets of medaka genetics! Learn how colors, patterns, and body shapes are inherited through generations. From dominant black genes to recessive Daruma traits, discover the science behind creating stunning varieties and fixing traits in your breeding lines.

Discover how Japanese medaka fish transform from transparent eggs to colorful adults! This guide covers all life stages: hariko (needle fry), juvenile, and adult phases. Learn when colors appear (2-4 weeks), survival tips, and breeding secrets for vibrant medaka.

Turn your clear water green in just 3-7 days and boost medaka fry survival rates by 50%! Learn three proven methods to create nutrient-rich green water: the natural sunlight method, the quick Hyponex fertilizer technique, and instant results with live chlorella. Includes troubleshooting tips, optimal concentration guidelines, and indoor production secrets. Perfect for beginners struggling to raise healthy medaka fry.

Struggling to keep your medaka fry alive? You're not alone. Over 80% of medaka fry deaths are caused by starvation - even when you think you're feeding them properly. Learn the secrets of raising these needle-like babies, including why aeration can actually harm them, how green water can boost survival rates from 20% to 70%+, and the critical feeding schedule that makes all the difference in the first two weeks.