By Alex Matthews

A family spent £300 on an operation to save their pet goldfish after he developed a tumour that stopped him swimming.

The ailing 20-year-old fish Bob had been struggling to swim for a number of weeks because of a lump on his fin.

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As most goldfish only live up to the age of 15, the outlook for the poor pet looked bleak.

However, Bob’s owner opted for the operation on the three-inch fish after hearing of their local vet’s previous success with exotic animals.

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