Movie 1.

Representative confocal timelapse focused on the heart of casper;kdrl:eGFP;gata1:dsRed transgenic zebrafish at 5 dpf. After tail excision, the clot seals the wound and blocks blood circulation at the site of the cut. The white arrow shows that the heart is still beating after this process. 10X dry objective. Scale bar: 300 μm.