Mustard Flame Betta
Mustard flame bettas, also called mustard gas bettas, are bred for a full halfmoon fin display with aqua blue and mustard yellow fins. When on display, the male mustard gas looks like a small blue and yellow explosion. A simple picture like the one here does not give the betta true credit. These fish are magnificent show quality and difficult to breed.
Quick Facts
| Scientific Name | Betta splendens |
|---|---|
| Origin | Thailand (captive-bred) |
| Care Level | Easy, good for beginners |
| Temperament | Males fight each other; peaceful toward most other fish |
| Adult Size | Up to 3″ |
FAQ
What makes mustard flame bettas different from other betta varieties?
Mustard flame bettas are distinguished by their full halfmoon fins that display a striking combination of aqua blue and mustard yellow, creating a vibrant, explosion-like appearance when viewed in a well-lit tank.
Are mustard flame bettas suitable for beginners?
Yes, they are considered easy to care for and are recommended for beginners due to their manageable care level and peaceful nature toward most other fish.
Do male mustard flame bettas get along with other fish?
Males will fight each other, so it’s best to keep only one male. They are generally peaceful toward other fish species, but caution is advised when introducing them to a community tank.

Ella Ross –
The mustard flame betta is absolutely stunning. The blue and yellow fins create a beautiful display. I’ve had it for three months and it’s very active and healthy. Easy to maintain with a small tank and regular water changes.
Irene Young –
Great show fish with a unique color pattern. I noticed the fin spread is impressive when the light hits it just right. It’s a bit aggressive with other males, so I kept it alone. Overall, a beautiful addition to my tank.
Ava Churchill –
I bought this as a centerpiece for my aquarium. The color contrast is vibrant and eye-catching. It’s easy to care for and stays active throughout the day. I’m very happy with the purchase.