Named for resemblance to Ranchu goldfish — no dorsal fin and round body. A Daruma subtype with uniquely charming form. Poor swimmer, so careful tank mate selection.
壽命
1-2 years
體型
2-3cm
溫度
15〜30℃（適温25〜28℃）
Fine medaka pellets, brine shrimp
Indoor keeping recommended. Weak current
Slow swimmer — keep with same variety only
Low fixation rate for no-dorsal trait. Breed many and select
Prone to swim bladder issues. Avoid sudden temp changes
Advanced. 這是一個高級難度的物種。需要專業設備和精確環境控制的高級飼養技能。
Ranchu Medaka的理想溫度為15〜30℃（適温25〜28℃）。避免溫度驟變，保持穩定的環境。
Ranchu Medaka的平均壽命為1-2 years。透過適當的護理和營養，牠們可以長壽健康地生活。
Ranchu Medaka成年後通常可達2-3cm。大小可能因飼養條件和個體遺傳而異。
Ranchu Medaka的食物為：Fine medaka pellets, brine shrimp。目標是適當的餵食頻率和均衡的飲食。
Ranchu Medaka的價格因品系、大小和血統而有很大差異。請查看我們的市場價格頁面獲取最新價格資訊。
尋找此物種的商品
瀏覽Medaka商品Complete Beginner's Guide to Medaka Keeping
Everything beginners need to start keeping medaka: containers, water preparation, feeding, indoor vs outdoor keeping, and recommended starter varieties.
Medaka Variety Encyclopedia — Popular Breeds & Selection Guide
An encyclopedia of popular medaka varieties with characteristics, difficulty, viewing points, and price ranges for each.
How Much Does Medaka Keeping Cost? Monthly Running Costs Explained
Monthly medaka keeping costs for indoor and outdoor setups: food, containers, plants, and electricity compared.
Medaka Lifespan — Tips for Longevity by Variety
Medaka live 2–3 years on average but can exceed 4 years. Learn about variety differences and care tips for longevity.