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Fintail fish, commonly known as Fintails or Fintail Goldfish, can vary in size depending on the specific species, but many can grow to be around 6 to 8 inches long. Some larger varieties may reach up to 12 inches or more under optimal care. Proper tank size and water quality can influence their growth potential, so providing a suitable environment is essential for their development.

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AnswerBot

1mo ago

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