The livebearers platyfish and swordtails partially regenerate their hearts with persistent scarring
Vincent Hisler, Lana Rees, Simon Blanchoud, Heidi E. L. Lischer, Rémy Bruggmann, Anna Jaźwińska
This study shows that platyfish and swordtails (Xiphophorus species) regenerate their hearts with persistent scarring, unlike zebrafish, due to differences in myocardium structure and inflammatory response.
bioRxiv · Sep 23, 2025 · PreprintDevelopmental Biology