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. Author manuscript; available in PMC: 2022 Mar 22.
Published in final edited form as: Science. 2022 Feb 10;375(6581):639–647. doi: 10.1126/science.abh0474

Fig. 5. Long-term swimming performance analysis.

Fig. 5.

(A) Trajectory (grids, 1 cm) and (B) corresponding tail-beat angle of 108-day-old biohybrid fish with 79% antagonistic contractions. (C) Swimming performance for 108 days (n = 4 fish). Biohybrid fish equipped with the muscular bilayer exhibited enhanced contracting amplitude, maximum swimming speed, and muscle coordination for the first month and maintained their performance for at least 108 days, whereas fish made with the single-layer muscle exhibited decreased contracting amplitude after 28 days. (n = 4 fish; data represent mean ± SEM).