Mustard Gas Betta Care Guide
Betta splendens var. Mustard Gas · Freshwater Fish
What Mustard Gas Betta look like
Mustard Gas Bettas are domestic color morphs with a dark body and yellow fins. The trait can occur across multiple fin types.
Behavior & temperament
Care is standard for domestic bettas: warm gentle water, surface access, high-protein diet, and usually one male per aquarium.
Diet & feeding
Mustard Gas Bettas eat quality betta pellets, daphnia, brine shrimp, mosquito larvae, bloodworms, and other small protein-rich foods.
Behind the name
Mustard Gas is a trade name for the dark body and mustard-yellow fin contrast.
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Mustard Gas Betta?
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