Pour les Queues de voile, il en existe un sur le forum de Joep ( Bettas4all ). Il est en anglais:
Veiltail (VT): The veiltail is an older long finned type of Betta splendens. In general, this is the tail type which is frequently found in most pet- and aquariumshops. Veiltails will be judged using the following standard:
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Dorsal: The dorsal has a small basis, is sicke shaped and is not longer than ¾ of the body length. Overlap of the dorsal with the body is not desirable. There can be some branching in the rays of the dorsal.
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Caudal: The caudal is asymmetric, has a broad basis and runs into a point. The caudal has a maximum length which is more or less equal to the body length; a limited amount of rays (maximally primary branching, 2-ray) and the webbing between rays is limited. The upper rays which leave the peduncle first run up and after reaching their highest point at approximately 20% of the entire tail length, they drop down. The tail can be easily carried by the fish. When the male is not flaring the tail hangs down.
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Anal: The anal starts at the thickest point of the body (just behind the stomach) and continues towards the peduncle. The anal fin has the shape of a trapezium.
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Ventrals: The shape of the ventrals mimics the blade of a knife with the cutting edge directed backwards. The ventrals run down into a point. The ventrals have a full volume, equal in length (symmetrical) and do not cross each other. The length of the ventrals is equal to at least 2/3 of the body length (measured from attaching point of the ventrals to peduncle) or more.
Veiltail (VT)
Owned by Tolis Ketselidis soruce: http://www.bettas4all.nl/viewtopic.php?t=81
Je ne sais pas si ce standard est certifié IBC. Tu auras plus la confirmation par Claire Pavia ( Jurabetta ).