THE DELTA TAIL BETTA FISH AboutBettaFishTanks.com Post author By The Destiny Formula Post date July 13, 2017 No Comments on THE DELTA TAIL BETTA FISH DELTA TAIL BETTA FISH A Delta tail is the title for any tailed non-Halfmoon Betta. When the tail gets caudal edges enjoy a Halfmoon A non-Halfmoon is, however they do not achieve 180 degrees. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.