They are a tailless form thought to have been developed by goldfish breeders during the late 19th or early 20th century.

[1][2][3] The meteor goldfish lack a tail fin, but have a well-developed anal fin in its position.

[4] The other fins of the meteor goldfish are elongated, and it is a competent swimmer despite its lack of a tail.

The meteor is also one of the hardest to breed, as they can be very weak, and in low temperatures sicken easily.

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