Format Tail Guppy Fish
Rating on format guppy’s tail
Guppy Veiltail (veil tail): The caudal fin should have the shape of an isosceles triangle of 45, 10/10 body length
Guppy Triangle tail (delta tail): The caudal fin should have the shape of a triangle of 70, 8/10 of the body length.
Fantail Guppy (fan/blower): The caudal fin is gently curved in the upper and lower edges. Its length corresponds to 8/10 of the body length.
Scarftail Guppy (scarf/flag): The flow has a rectangular shape and its length corresponds to 8/10 of the body length.
Double Swordtail Guppy (double swordtail): The caudal has an oval basic shape and two sword-shaped extensions on the upper and lower tail rays.
Top Swordtail Guppy (upper blade): The flow has an oval basic shape and a sword-shaped extension on the upper radius
Bottom Swordtail Guppy ( lower) Sword: The flow has an oval basic shape and a sword-shaped extension on the lower radius.
Lyretail Guppy (tail Lira): The flow has the shape of a lyre. The basic shape is round and should not exceed 4/10 of the body length.
Cofertail Guppy (paddle-shaped tail): The shape of the flow looks like a shovel. The onset of flow is round and opens parallel to the body axis.
Speartail Guppy (lance-shaped): The flow has the shape of the tip of a spear. Its length corresponds to 8/10 of the body length.
Roundtail Guppy (round tail): The caudal is round with a diameter of 5/10 of the body length.
Guppy Pintail (pintail): The basic shape of the caudal is rounded, with a diameter of 4/10 of the body length. The back is fine and rises, steep at first. Already the end is pointed and tapers from the last third of its length.
Full Red Crowntail
Half Black White Ribbon Fin
information from
https://en.wiktionary.org/wiki/Poecilia_reticulata