Palaeoniscus is definitely an ancient ray-finned fish through the Early Permian time period, about 290 million yrs ago. Noted for its sturdy ganoid scales and streamlined entire body, it signifies early actinopterygian evolution, the ancestor of most modern fish. Platy fish are very similar to swordtails but would not have https://socialmediainuk.com/story19765857/new-step-by-step-map-for-albino-stingray-fish