Two Koi fish swim together, one above the other underwater.
An overhead view of two adult Koi fish swimming in water. A white Koi fish with multiple black spots and one orange spot on its back is swimming above an orange Koi fish. The white Koi fish is facing to the left and the orange Koi fish is facing to the right. The shadow of the orange fish is visible below it. The bottom of the water is made of sand. The edge of a concrete walkway is shown in the lower right corner. Rippling caustics are shown in the water.