Starting with the freehand drawing of the fishes and the back ground, shades of green with a drop of reddish glow is added.
More of the background was added in shades of green and yellow. Care was taken as darker shades for details.
With the background taken care of, the fishes were handled one at a time. With shades of red and yellow, the fish was painted carefully with details.
Ensuring that the background is dry, the next fish is painted in shades of blue with few strokes of red.