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Fantail Goldfish


Halo and Spot
Anamalia Chordata Osteichthyes Cypriniformes Cyprinidae Carrasius auratus

Physical Characteristics

* Egg shaped body * Head well defined with a terminal mouth

* All fins are double except for the dorsal fin

* Dorsal fin is one half the depth of the body and declines steeply towards the caudal peduncle

* It has a paired caudal fin, each forked, with the top lobes being closer together then the bottom lobes


Fantails are native to China and were the first type of goldfish produced for the tropical fish industry many thousands of years ago. The earliest reports of these fish were in the Sung Dynasty (960-1126AD). The areas where goldfish are found in china are indicated on the map.

Water Conditioning

pH 7.2 - 7.6
Chlorine 0 ppm (parts per million)
Toxic Nitrates Under 0.5 ppm
Toxic Nitrites Under 20 ppm
Toxic Ammonia Under 0.5 ppm
Hardness Medium Hard


Gold fish should not be fed more
then 2 to 3 times a day. Each
feeding should only be a small amount.
The best thing to feed goldfish is Goldfish
flake food because it has all the vitamins
the fish needs. Live foods can also be fed
to Goldfish as a Treat.


This is a picture depicting the difference between male and female Goldfish. As a note males will often get tubercles on their gill covers and fins. These are often mistaken for ICH or white spot disease.

Requirements For Breeding

Courtship and Egg Laying

When a female is full of eggs, she will release pheromones that will drive the male crazy. The males will chase the female and jam her into things. This is why soft plants are required to protect the female. By pushing the female around the eggs leave the body. She will lay thousands of eggs and will eat as many as she can. It's a good idea to remove the eggs from the tank. The fry will hatch in 4-7 days and will suction themselves onto the glass until they are ready to swim.