Japanese Rice Fish (Medaka) – Hardy; Colorful Freshwater Fish for Aquariums
We love finding new freshwater fish for our aquariums in Australia. The Japanese Rice Fish, or Medaka, is one we can’t get enough of. They’re hardy, colourful, and loved by many. The Medaka comes from Japan’s rice paddies. Their golden scales and smooth movements make them a stunning addition to any tank. They’re easy to care for, perfect for anyone wanting a thriving aquarium. In this guide, we’ll explore the Medaka’s history, looks, and care needs. Whether you’re new to fish keeping or experienced, this article will help you welcome these beautiful fish into your home.
Key Takeaways
- The Japanese Rice Fish, or Medaka, is a hardy and colourful freshwater fish that makes an excellent addition to home aquariums.
| Specification | Details |
|---|---|
| Species | Medaka (Japanese Rice Fish) |
| Size | 3cm |
| Color | Golden, with celestial star pattern |
| Origin | Japan |
| Environment | Freshwater aquarium |
FAQ
What is the typical size of the celestial star light long fin medaka?
The celestial star light long fin medaka is approximately 3cm in size.
Are these fish suitable for beginners?
Yes, the Japanese Rice Fish is hardy and easy to care for, making it ideal for beginners.
What kind of water conditions do medaka prefer?
Medaka thrive in freshwater environments with stable temperature and clean water conditions.

Megan Wallace –
Received the medaka in perfect condition. The fish has a beautiful celestial star pattern and moves smoothly in the tank. Easy to set up and very active. Great for a small aquarium.
Joshua Mills –
The fish arrived quickly and looked healthy. The golden scales and star pattern are striking. I’ve kept them for two months and they’re still vibrant and active.
Frank Peake –
Love the color and calm behavior of the medaka. They don’t need much maintenance and adapt well to my tank setup. A great choice for a beginner.