Palaeoniscus can be an ancient ray-finned fish within the Early Permian period, somewhere around 290 million decades back. Known for its strong ganoid scales and streamlined system, it signifies early actinopterygian evolution, the ancestor of Most up-to-date fish. Platy fish are similar to swordtails but do not have exactly the https://bookmarkspiral.com/story18630748/aquarium-cleaning-can-be-fun-for-anyone