To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Video image of a beating heart of Tg(myl7:actn2-tdEos) larva at 72 hpf obtained by a light sheet microscope. Osteocrin, a peptide secreted from the heart and other tissues, contributes to cranial osteogenesis and chondrogenesis in zebrafish Ayano Chiba, Haruko Watanabe-Takano, Kenta Terai, Hajime Fukui, Takahiro Miyazaki, Mami Uemura, Hisashi Hashimoto, Masahiko Hibi, Shigetomo Fukuhara, and Naoki Mochizuki Development 2017. 144:334-344; doi: 10.1242/dev.143354 Download Original Video