Japanese scientists create transparent goldfish

  • A see-through alternative to classroom dissections

    A team of Japanese scientists has successfully created a school of transparent goldfish.

    The "see-through" creatures are expected to offer a realistic alternative to controversial classroom dissections.

    "You can see a live heart and other organs because the scales and skin have no pigments," Mie University Professor Yutaka Tamaru told AFP. "You don't have to cut it open. You can see a tiny brain above the goldfish's black eyes."

    Tamaru explained that researchers created the "Ryukin" fish by selecting and breeding mutant hatchery goldfish with pale skin.

    "Having a pale color is a disadvantage for goldfish in an aquarium but it's good to see how organs sit in a body three-dimensionally. As this goldfish grows bigger, you can watch its whole life."

    He added that the "Ryukin" fish are likely to live approximately 20 years, with a length of 25 centimeters (10 inches) and a weight of two kilograms (five pounds). ??

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