Butterfly tail (goldfish)
Encyclopedia
Butterfly tail goldfish
Country of origin
China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

Type
Goldfish
Breed standards
AGA Telescope-Eye
Recognized Types
Tail Conformations


The Butterfly tail (Man Shek-hay, 1993) or Butterfly telescope (Teichfischer, 1994)is a variety of goldfish
Goldfish
The goldfish is a freshwater fish in the family Cyprinidae of order Cypriniformes. It was one of the earliest fish to be domesticated, and is one of the most commonly kept aquarium fish....

 that is distinguished by the butterfly-shaped caudal fins when viewed from above. It is a variety that only until recent has been deemed a major lineage by a few published works. Because this tail conformation is commonly bred into the telescope eye goldfish
Telescope Eye
The telescope eye or demekin is a fancy goldfish characterized by its protruding eyes. It is also known as globe eye or dragon eye goldfish.-Description:...

, the term "butterfly tail" is just short for the many names this variety has such as Butterfly tail telescope, Butterfly tail demekin, Butterfly tail Moor and Top view telescope (TVT).

Description and production

The butterfly tail is a variant form of the telescope goldfish with protruding eyes
and is best appreciated by viewing it from above just as
the Chinese did in ancient times. While this tail variation is commonly paired with
the telescope eye variation, 'butterfly shaped tails' may be present in other
goldfish standard varieties such as ryukin
Ryukin
The ryukin is a short deep-bodied fancy goldfish with a characteristic hump in the shoulder region.-Description:The ryukin is a hardy and attractive variety of goldfish with a pointed head and has a pronounced hump on the back behind the head. It may be long-finned or short-finned with either a...

s or oranda
Oranda
An oranda is a type of goldfish characterized by a prominent raspberry-like hood encasing its head. The hood or headgrowth encases the whole head except for the eyes and mouth.-Description:...

s. The tail spread
is preferable 180 degrees but some may droop down at an
angle due the weight of the long tail fins.
With the rise in popularity of butterfly tail moors, there have been efforts
to distinguish the different butterfly tail types such as the faery butterfly, shuan shu (Chinese comb tail) butterfly, delta and trapezium tail butterfly.

Etymology

  • Kingdom
    Kingdom (biology)
    In biology, kingdom is a taxonomic rank, which is either the highest rank or in the more recent three-domain system, the rank below domain. Kingdoms are divided into smaller groups called phyla or divisions in botany...

      Animal
    Animal
    Animals are a major group of multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously and...

    ia
  • Phylum
    Phylum
    In biology, a phylum The term was coined by Georges Cuvier from Greek φῦλον phylon, "race, stock," related to φυλή phyle, "tribe, clan." is a taxonomic rank below kingdom and above class. "Phylum" is equivalent to the botanical term division....

      Chordata
    Chordate
    Chordates are animals which are either vertebrates or one of several closely related invertebrates. They are united by having, for at least some period of their life cycle, a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail...

  • Sub-phylum
    Subphylum
    In life, a subphylum is a taxonomic rank intermediate between phylum and superclass. The rank of subdivision in plants and fungi is equivalent to subphylum.Not all phyla are divided into subphyla...

      Vertebrata
    Vertebrate
    Vertebrates are animals that are members of the subphylum Vertebrata . Vertebrates are the largest group of chordates, with currently about 58,000 species described. Vertebrates include the jawless fishes, bony fishes, sharks and rays, amphibians, reptiles, mammals, and birds...

  • Class
    Class (biology)
    In biological classification, class is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, order, family, genus, and species, with class fitting between phylum and order...

      Osteichthyes
    Osteichthyes
    Osteichthyes , also called bony fish, are a taxonomic group of fish that have bony, as opposed to cartilaginous, skeletons. The vast majority of fish are osteichthyes, which is an extremely diverse and abundant group consisting of over 29,000 species...

  • Sub-class
    Class (biology)
    In biological classification, class is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, order, family, genus, and species, with class fitting between phylum and order...

      Actinopterygii
    Actinopterygii
    The Actinopterygii or ray-finned fishes constitute a class or sub-class of the bony fishes.The ray-finned fishes are so called because they possess lepidotrichia or "fin rays", their fins being webs of skin supported by bony or horny spines , as opposed to the fleshy, lobed fins that characterize...

  • Infra-class Teleostei
    Teleostei
    Teleostei is one of three infraclasses in class Actinopterygii, the ray-finned fishes. This diverse group, which arose in the Triassic period, includes 20,000 extant species in about 40 orders; most living fishes are members of this group...

  • Super-order
    Order (biology)
    In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

     Ostariophysi
    Ostariophysi
    Ostariophysi is the second-largest superorder of fish. Members of this superorder are called ostariophysians. This diverse group contains almost 8,000 species, about 28% of known fish species in the world and 68% of freshwater species, and are present on all major continents except Antarctica...

  • Order
    Order (biology)
    In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

      Cypriniformes
    Cypriniformes
    The Cypriniformes are an order of ray-finned fish, including the carps, minnows, loaches and relatives. This order contains 5-6 families, over 320 genera, and more than 3,250 species, with new species being described every few months or so, and new genera being recognized regularly...

  • Family
    Family (biology)
    In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

      Cyprinidae
  • Sub-family
    Family (biology)
    In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

      Cyprininae
  • Genus
    Genus
    In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

      Carassius
    Carassius
    Carassius is a genus in the ray-finned fish family Cyprinidae. The species in this genus are commonly known as Crucian carps, though this term often specifically refers to C. carassius. The most well known is the goldfish , which was bred from the Prussian carp...

  • Species
    Species
    In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

      Carassius auratus
  • Variety : Telescope-eye
  • sub-Variety : butterfly tail
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