itself, scientists can milk the same fish every few months with a syringe. See also Celestial Eye Telescope (goldfish) References External links Bristol Aquarist's Society - Describes the appearance of the standard, show-quality Bubble Eye Goldfish, Part 2 - An excellent article on keeping Bubble Eyes, as well as fancy goldfish in general Happy bubble fish video! - A video showing some Bubble Eye fish in action. Varieties of Goldfish - About Bubble Eye