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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Rubiantos C / 25 years old

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