Chapter1FFish mated and laid eggs in space


As one of the space biology experiments for the second International Microgravity Laboratory (IML-2/ STS-65) mission carried out in the summer of 1994, four of a small Japanese killifish (Medaka, Oryzias latipes) made a space travel of 15 days. These four Medaka fish performed their successful mating behavior in space for the first time among vertebrate animals. Moreover, the eggs laid developed normally till hatching fry (baby fish) in space.

2.Selection of the four fish
3.In-flight report
4.Post-flight report
5.Mating behavior of Medaka fish
6.Enbryonic development in spacce


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