This painting, by Tintoretto, is owned by the National Gallery of Art. Entitled Christ at the Sea of Galilee, it was created between 1575-1580. We learn more about it from the National Gallery of Art's web site:
This haunting painting illustrates an episode from the Gospel of John. After his Resurrection, Christ appeared to his wonder-struck apostles as they were fishing in the Sea of Galilee. The drama of the action and the supernatural nature of Jesus’ appearance after the end of his earthly life were well suited to Tintoretto’s highly individual style.
The figure of Christ appears to be almost transparent, decorporalized by the haze of white pigment brushed over his torso with a dry brush. The surface of the water, likewise, is fragmented into waves by strong light. The whole painting seems almost to flicker restlessly, an unsettling sensation that is accentuated by its eerie green color.
Click on the image for a much closer view.