Blue Diamond Medaka
The medaka rice fish (Oryzias latipes) is a small, hardy freshwater fish native to East Asia, commonly found in rice paddies, streams, and ponds. Medaka rice fish originate from small ponds, shallow rivers, and rice fields. They can survive in a wide range of water temperatures (32–108 °F), but they prefer a water temperature of (59–82 °F).
Key Features
- Small size, ideal for home aquariums
- Hardy and adaptable to various water conditions
- Native to East Asian rice fields and shallow water environments
- Color variation includes striking blue diamond patterns
| Parameter | Value |
|---|---|
| Species | Oryzias latipes |
| Size | 1.5 to 2.5 inches |
| Water Temperature Range | 32–108 °F |
| Preferred Water Temperature | 59–82 °F |
| Origin | East Asia (rice paddies, streams, ponds) |
FAQ
What is the ideal water temperature for Blue Diamond Medaka?
The preferred water temperature for Blue Diamond Medaka is between 59–82 °F.
Are Blue Diamond Medaka suitable for beginners?
Yes, they are hardy and adaptable, making them a good choice for beginner aquarists.
Where do Blue Diamond Medaka naturally live?
They are native to East Asia and commonly found in rice paddies, shallow rivers, and small ponds.

William King –
The Blue Diamond Medaka are vibrant and active in my 10-gallon tank. They thrive in the 60-75°F range and are easy to care for. The color pattern is striking and stands out among other fish.
Brian Hudson –
I’ve had these fish for three months and they’ve stayed healthy. They don’t require much maintenance and enjoy the natural lighting in my aquarium.
Bella Glover –
The fish are peaceful and don’t compete with other species. The blue diamond pattern is very noticeable and adds a nice visual appeal to the tank.