The image shows a large turtle swimming in an aquarium. The turtle is facing towards the right side of the image and its head is turned towards the left side. It appears to be swimming towards the bottom of the tank. The tank is filled with water and there are various plants and rocks visible in the background. The water is dark and murky, and the turtle's shell is a dark green color. There are also a few small fish swimming around the tank, and a few other aquatic plants can be seen in the bottom right corner. The image is taken from a low angle, looking up at the turtle.