The image is a vintage illustration of a unique fish, known as 'Long-Tsing-Yu' or 'Oeil de Dragons' (Dragon's Eye). The fish is depicted in a side view, showcasing its distinctive features. It has a silvery-grey body covered in scales, with a reddish-pink stripe running along its side. Its most striking feature is its large, protruding eyes, which are positioned on either side of its head. The fish also has a prominent, rounded forehead and a small mouth. Its fins are delicate and translucent, with reddish-pink accents. The illustration is set against a pale green background, and the fish is labeled with the French name 'Le Telescope' at the bottom. The text at the top is in a decorative font, and there are small inscriptions at the bottom corners indicating the origin and engraver of the illustration.