Betta Profile: Double Tail
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The double tail variety has two fin lobes rather than one. Also, the dorsal (top) fin has almost twice as many rays as on a single tail (ST) Betta, which results in a much bigger fin. Ideally, both lobes of the tail must be symmetrical. When flaring, the fins almost make a full circle. The DT trait is recessive to ST, and therefore rather elusive. ST bettas who carry the DT gene have dorsal fins that are larger than those ST that don’t carry this gene. If you find the DT trait not appealing, like some breeders do, make sure to ask about the DT gene before purchasing a fish for breeding purposes.
fortalina
ronald on 
Cody on 
Betta Fish are what I blog about.
September 18th, 2009 at 6:33 pm
Muy Bonitos ejemplares.
October 30th, 2009 at 2:42 am
My friend has a Betta fish and in your blog it says they do fight so they are in danger and one fish doesn’t have a tail anymore wtf
May 2nd, 2010 at 3:05 pm
Bettas with two tails can swim faster and attract more females.
July 9th, 2010 at 1:14 pm
my double tail passed away
December 6th, 2010 at 12:13 pm
gaganda!!!!!!!!!!!!!!1
February 22nd, 2011 at 5:43 am
I’m sorry to read that. =( Carmichael is sick, and old, so I’m getting worried his time might be coming, but I got him some medication at petco and I’m really hoping that will make him better. Everone cross your fingers please.