Palaeoniscus is definitely an historical ray-finned fish through the Early Permian period of time, somewhere around 290 million decades back. Recognized for its sturdy ganoid scales and streamlined entire body, it represents early actinopterygian evolution, the ancestor of Most up-to-date fish. Platy fish are similar to swordtails but do not https://socialevity.com/story20376175/little-known-facts-about-rare-fish