Actinotrichia-independent developmental mechanisms of spiny rays facilitate the morphological diversification of Acanthomorpha fish fins
Kazuhide Miyamoto, Junpei Kuroda, Satomi Kamimura, Yasuyuki Sasano, Gembu Abe, Satoshi Ansai, Noriko Funayama, Masahiro Uesaka, Koji Tamura
This study shows that spiny-ray development in fish is independent of actinotrichia, enabling morphological diversification through osteoblast distribution and signaling molecule intensity.
Nature Communications · Feb 14, 2026Peer-reviewedEvolutionary Biology