This project has several goals, including studying the interaction of fish and microorganisms in a closed ecosystem and examining the effects of microgravity on astronauts, including loss of bone density.
The idea of sending fish into space is not new. In 1973, a group of Mumicchogs were brought into orbit to study their adaptation to weightlessness.
In subsequent years, other studies investigated the effects of microgravity on fish.
Note that the results of a recent study on the ISS by Japanese scientists showed alarming data about the condition of fish, which began to lose bone density soon after arriving at the station.
Source: Ferra

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