Live-Bearing Bony Fishes (image) University of Zurich Share Print E-Mail Caption Live-bearing bony fishes emerged for the first time during the Triassic. The picture shows the Triassic ray-finned fish Saurichthys with two embryos (close-up). Credit Image: UZH Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.