Mustard Gas Halfmoon Betta – Betta splendens – Male

There are many names for the particular betta color patterns but most are variations of blue and/or red colors. Fish pictured here are representative only.

Halfmoon Bettas are some of the most sought-after and can be stunning. Like in the Delta Betta, the edges of the tail are straight but in Halfmoon Bettas, they form a straight line when fully open so the tail forms a half-circle (or half moon). The rest of the fins are full so when the betta is fully flared, the fins may form a circular outline with little or minimal distruptions to the outline.

Bettas are one of the most beautiful of all the anabantoids (gouramis, or \