A koi fish swims near the surface of clear water.
A close-up view down of an orange and black koi fish in water. It is in the middle, near the front and facing to the left. It has its head turned slightly forward. Its body is curved, and it has an orange and black fluttery tail fin. Its head is orange. The water is clear, and the bottom under the fish is a greenish-brown color. There is a shadow on it under the middle of the fish. Light is shining on the whole image. There is a black shadow in the bottom-right corner.