I want a pet turtle, but i dont know wat type of turtle it is,its really small, picture included.!asap!?

THAT IS A A RED EARED SLIDER THEY ARE THE MOST COMMON I HAVE 5 ALTOGETHER IN A HUGE FISH TANK...I HAVE HAD THEM FOR YEARS......ALL YOU HAVE TO DO IS GO ON THE NET AND TYPE IN THE RED EARED SLIDER AND YOU WILL GET A LOT OF INFO ON THEM.