guppy-fish

Guppy Tail Shapes


For the Hobbyist the shape of the tail is often not overly important. After all everyone has an opinion of what looks good and hey that’s great.  For them this article will show the names of the basic tail shapes. For those that want to go further into the hobby and raise show guppies understanding the judging standard is critical. 

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Last updated on December 4, 2019 2:36 am

Fan Tail  

The Fan Tail Guppy has a caudal fin that is shaped like an elongated triangle that has an angle of 45 degrees to the body of the fish. For show judging purposes the tail should be the same length as the body to score maximum points. the edges of the caudal fin should be straight but the corners can be slightly rounded.

Groovy Guppy | The Groovy Guppy Fan Tail

When being judged at shows the judges will also look at the Dorsal fin. For best score it should  rise steeply in the beginning, have a pointed ending and overlap the first third of the caudal fin.

Triangle Tail  

The triangle tail is similar to the fan tail, but the angle to the body is 70 degrees instead of 45 and instead of the tail being the same length as the body the tail should be about 80 percent of the body.

Groovy Guppy | The Groovy Guppy Triangle Tail

The dorsal fin should  rise steeply, be broad  and reach bluntly to the end of the first third of the caudal fin.



Veil Tail 

The  Veil tail arcs or curves backward in such away largest width of the fin is  3/4 of the length  of the caudal fin. The length of the fin itself  should be 80 percent of the body length. If the fin is less that half the length of the body no points are awarded in most competitions.

Groovy Guppy | The Groovy Guppy Veil tail

The dorsal fin  should reach up to the end of the first third of the caudal fin with a rounded off end.


Double Sword Tail

The Double sword tail has an oval basic form with sword-like extensions of the upper and lower fin rays. for the best score the swords should be the same as the body length. The outer edges of the swords should form an angle of 30 degrees. The judges want the oval fin part between the swords to be no more than 40 percent of the body  length and can be colorless or colored.

Groovy Guppy | The Groovy Guppy Double Sword Tail

Like the fan tail the veil tail  dorsal fin must rise steeply in the beginning, have a pointed ending and overlap the first third of the caudal fin.

Top Sword Tail

The Top Sword tail has the oval form like the sword tail  but the sword-like extension of the upper. fin rays.  The length of the sword is proportionate to the body length and the upper edge rises at a 15 degree angle to the body, or is parallel to the body axle. Like the sword tail  oval form is no more than 4/10 of the body length and can be colorless.

Groovy Guppy | The Groovy Guppy Top Sword Tail

Once again the dorsal fin must rise steeply in the beginning, have a pointed ending and overlap the first third of the caudal fin.

Bottom Sword Tail

The Bottom sword tail is graded just like the  Top Sword except the sword is on the lower part.

Groovy Guppy | The Groovy Guppy
Bottom sword tail

Lyre Tail

The Lyre Tail gets is name from the shape of the tail resembles the shape of a  Lyre. Like the Sword tails the oval part should be about 40 percent of the body. The outside  fin rays should be 80 percent of the body length with clear, outwardly curved points.

Groovy Guppy | The Groovy Guppy
Lyre Tail

The dorsal fin must rise steeply in the beginning, have a pointed ending and overlap the first third of the caudal fin with the tip bent curved outwards.

Spade Tail

Spade Tails have a caudal fin shape that resembles a miner’s spade. the top and bottom  of the caudal fin depart from the body with a noticeable beginning and are parallel. The length of the caudal fin should be about 50 percent of the body.

Groovy Guppy | The Groovy Guppy Spade Tail

As above dorsal fin must rise steeply in the beginning, have a pointed ending and overlap the first third of the caudal fin.

 Spear Tail

I bet you can see where this is going the spear tail is shaped like a spear head.  the “spear” should be about 80 percent of the body length.

Groovy Guppy | The Groovy Guppy Spear Tail

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The dorsal fin on a  spear tail should steeply in the beginning, have a pointed ending and overlap the first third of the caudal fin with the tip bent outwards.

Round Tail

Come on now you can guess this the round tail is round…. Its Diameter should be equal to 50 percent of the body length.  Notice the different look to the dorsal fin it is rounded off at the start of the caudal.

Groovy Guppy | The Groovy Guppy Round Tail

Needle / Pin Tail

 The pin tail as I like to call has the oval fin part like the swords that should be about 40 percent of the body length, with the middle rays extend to form a needle/pin shape. The overall length of the fin corresponds to the body length.   and like many of the above fin shapes the dorsal fin must rise steeply in the beginning, have a pointed ending and overlap the first third of the caudal fin.

Groovy Guppy | The Groovy Guppy
Needle / Pin Tail

Note this reverence is by no means the cut and dry rule. If you looking to show your Guppies you will better off looking at the judges scoring criteria to better understand what they are looking for.

 

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