Birgeria is often a genus of extinct fish from the Late Triassic time period, identified for its substantial measurement and prolonged, slender overall body. It was a carnivorous predator that roamed ancient seas, searching smaller sized fish and invertebrates. Platy fish are very similar to swordtails but don't have precisely https://pukkabookmarks.com/story18661560/fish-tank-cleaner-no-further-a-mystery