Chinese astronauts successfully rear four zebrafish in space

The closed ecosystem, housing four zebrafish, demonstrated remarkable success as the fish completed their entire life cycle.

In Short

• It sets a new record for space ecological experiments
• The closed ecosystem housed four zebrafish
• The experiment's success has far-reaching implications

Chinese scientists have successfully maintained a closed aquatic ecosystem aboard the country's space station.

The experiment, part of the Shenzhou-18 mission, concluded on November 4, setting a new record for space ecological experiments.

The closed ecosystem, housing four zebrafish, demonstrated remarkable success as the fish completed their entire life cycle – from growth and development to reproduction – over a 43-day period.

This achievement marks a significant milestone in understanding how aquatic life can thrive in the challenging environment of space.

Zebrafish, known for their rapid development and genetic similarity to humans, were chosen for this experiment due to their suitability for space-based research. The successful completion of their life cycle in space provides valuable insights into the potential for sustaining life in long-term space missions and future space colonies.

The experiment's success has far-reaching implications for space exploration and potential human habitation beyond Earth. It demonstrates the possibility of creating self-sustaining ecosystems in space, which could be crucial for future long-duration missions to Mars or other distant destinations.

Chinese researchers are hailing this as a major step forward in space biology. The ability to maintain a stable aquatic ecosystem in microgravity conditions opens up new avenues for studying the effects of space on living organisms and developing technologies for life support systems in space.

This achievement also highlights China's growing capabilities in space science and its commitment to advancing knowledge in space ecology.

As space agencies worldwide focus on long-term space habitation, experiments like these provide critical data for designing sustainable life support systems for future space stations and planetary bases.