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Ultimate Tail Type Guide


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#1 Styx

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Posted 20 January 2010 - 10:02 PM

As the question comes up quite often, how DO you tell the difference between the tail types??

Well, I've included pictures and explanations to make it all much easier for you! Now off to the tail types!!

Veiltail - VT
Veils have 2 rays in their tails, and the shape is long and downward sloping. The trademark and what sets this tail type apart from all others is that the caudal is not symmetrical. These are the most common petstore type bettas. Females also have 2 rays in the tail, but their anal (bottom) fin is long and triangular.

Male
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Chocolate mustard gas
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This male has a shorter, fuller tail, but he is still a VT
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Young Veiltail male
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Female
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Crowntail - CT
These fish have long extended rays on the dorsal, caudal (tail) and anal fins and often have some extensions on their ventrals. The rays should extend upward as well as downward when the tail is spread. The tail shape is unlike that of a veil and is similar to the delta and halfmoon. Females have shorter fins, but also have long ray extensions. They are often mislabeled as "fringetail".

Male
Halfmoon variety with uneven webbing between the rays
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Female
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Halfmoon - HM
A halfmoon will have multiple branches (4 or more, the more ray branchings the better the finnage typically) and will have a 180 degree caudal spread. The spread and crisp edges of the tail are key in halfmoons, and set them apart from super deltas and deltas. Females will also have multiple branches and will usually have a longer, more square anal fin.

Male
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This male suffered fin damage as a young juvie, as a result his tail is not even - he is not however an example of a combtail
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Female
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Delta and Superdelta - Delta & SD
These are very similar to a halfmoon except for the degree of tail spread. Delta tails have a spread that looks like a triangle (many suggest the tail spread goes up to about 120 degrees). Super deltas are a larger triangle and anywhere up to 179 degrees. The top and bottom edges of the tails should she straight, not rounded.

Male
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A young delta
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Female
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Plakat - PK
Also called "fighter" style, short-tail, roundtail. These fish have short tails with equally short dorsal and anal fins; they have only 2 rays. Ventrals should be around as long as the tip of the anal fin (which should be triangular in shape). Female plakats have a rectangular-shaped anal fins.

Male
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Copper
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Red
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Female
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(notice the rectangular anal fin - no pointy end)

Halfmoon Plakat - HMPK
As the name suggests, these are short-finned fish with multiple rays (usually only 4). Females will still have a rectangular shaped anal fin, but it is usually long than that of a plakat female.

Male
Orchid
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Female
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Doubletail - DT
This tail type is pretty self-explanatory. Scissortail and Twintail are other names sometimes used for this type. Fish should have 2 distinct lobes that are split all the way to the tail base (although splitting may not always go down that far); the lobes should point in 2 different directions. Generally these fish have large dorsal and anal fins. The large dorsal itself is what gives this tail type away. There are veiltail, halfmoon and plakat doubletails, as well as crowntail doubletails, which are newer on the betta scene. Due to a shortening of the spine, two doubtails should not be bred together as this increases the risk of defects in the fry.

Male
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Halfmoon
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Plakat
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Veiltail
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This fish received severe fin damage as a young juvie and his fins grew in deformed. You can tell by the dorsal however he is still a doubletail
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Crowntail version (thanks, beyondanytherapy!)
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Female
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#2 Styx

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Posted 20 January 2010 - 10:03 PM

Other tail types...
There are several other tail types that are mixtures of the basic ones or have their own unique traits: crowntail plakat, combtail, halfsun, rosetail, etc.


Crowntail Plakat - CTPK
Short-finned crowntails. Produced by crossing plakats and crowntails.

Male
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Female
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Combtail - Comb
These consist of other tail types that have been crossed with crowntails somewhere in their genetic background. They have minor ray extensions but not enough to produce an actual crowntail.

Male
Note that this fish also has a round/fan type tail, but ray extensions on the anal and dorsal fins
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Halfsun
These fish have halfmoon finnage with short ray extensions

Male
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Rosetail
Halfmoons with so much finnage, their tails bunch together, giving it a flowery or pleated appearance.

Male
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Roundtail/Fan tail
A longer finned fish, often times they may only have two ray branchings. However, not a VT, as he tail is symmetrical. Also not a PK, because the fins are too long. Tail may look like a little fan. These fish may also be labeled as deltas, but they are not; note the rounded edges of the tail, as opposed to the straight edges of deltas and halfmoons.
Styx: I produced these by crossing a veiltail female with a plakat male.

Male
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Note how round the top and bottom edges are on the tail
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Hope this helps the people out there confused as to the tail type of their betta!

Any pictures I have missing that you may have, please feel free to PM me.




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