What is goldfish, goldfish is indentical with fancy fish usualy called common goldfish, One of the most popular commonly kept aquarium fish. Original type of goldfish is common goldfish. Goldfish (Carassius auratus auratus) was one of the earliest fish to be domesticated of a dark-gray /olive / brown carp native to east Asia (first domesticated in China) . They are relatively small member of the carp family (which also includes the koi carp and the crucian carp). Then in the late 17th century goldfish was introduced to Europe.
Due the current breeding has done, so as produced many types of goldfish with vary in size, body shape, fin configuration, eye and color (the color of gold initially be: a combination of orange and white, yellow, red, brown, and black). The goldfish can grow to a maximum length of 23 inches (59 cm) and a maximum weight of 9.9 pounds (4.5 kg), although this is rare. Most individual goldfish grow to under half this size. Most household goldfish generally only live six to eight years, but in optimal conditions, goldfish may live more than 40 years.
To note that, another “type of goldfish” has different standard in care, because there be found among the types of goldfish are more sensitive to environmental conditions (water temperature). So appropriate care is needed to reach a best living environment of them. Of the existing types of goldfish there are five classification for all types of goldfish. Each group distinguished on diferent tail, fin, and body shapes. Below all complete classification:
Single tailed goldfish
Comet Goldfish characterized by slightly small and slim body shape with long deeply forked tail
Common Goldfish characterized by their color that can become red, orange/gold, white, black and yellow / lemon
Shubunkin Goldfish characterized by single tail and have nacreous scales and calico coloration
Single tailed goldfish with egg shaped body
Calico Goldfish characterized by metallic and transparent scales that produces a pearly appearance
Double tailed goldfish
Butterfly Tail Goldfish / called Jikin in Japan characterized by a double tail fin has a distinctive 'X' shape
Double tailed goldfish with egg shaped body
Blackmoor Goldfish characterized by pair of protruding eyes, it also referred to as: popeye, telescope, dragon-eye in China and kuro demekin in Japan
Fantail Goldfish characterized by a double tail fins and anal that separated in two halves
Oranda Goldfish characterized by hood like raspberries in appearance encasing its head. Only the eyes and the mouth of the Oranda is not wrapped by this hood or headgrowth
Pearlscale Goldfish characterized by a spherical-bodies and held high caudal fin, their coloration may come like metallic or calico
Pom-pom Goldfish characterized by bundles of loose fleshy outgrowths between the nostrils, on each side of its head
Ryukin Goldfish characterized by hump in the shoulder region and has short deep body
Telescope Eye Goldfish characterized by protuding eyes like telescope
Veiltail Goldfish characterized by its length and graceful double tail which is square-edged and without any fork or indentation between the lobes
Double tailed goldfish with egg shaped body without dorsal fins
Bubble Eye Goldfish characterized by eyes which upward pointing that are accompanied by two large fluid-filled sacs
Celestial Eye Goldfish characterized by double tail and has telescope eyes turned upwards, pupils looked up
Lionchu Goldfish characterized by large head growth as well as deep body, broad and curved back
Lionhead Goldfish characterized by head like a lion that is hooded
Ranchu Goldfish like Lionhead but has back that is more arched and have much shorter tails that are tucked-in at a sharp angle
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