This is a vintage illustration of four different species of fish, likely from a scientific or natural history publication. The background is a creamy, off-white color. Each fish is depicted in a detailed, hand-colored style, with attention to scales, fins, and coloration. **Fish 81:** A vibrant, elongated fish with striking vertical stripes in shades of blue, black, and yellow. It has a small, rounded head with a red eye and a pointed tail fin. The fins are translucent and delicately illustrated. **Fish 82:** A more robust, oval-shaped fish with a silvery-gray body. It has a distinctive, protruding snout and a yellow-tinged head. The fins are rounded and the tail is forked. **Fish 83:** A slender, streamlined fish with a dark blue-green body. It has a pointed head, a small mouth, and a delicate, translucent tail fin. **Fish 84:** A uniquely patterned fish with a reddish-orange body covered in a network of dark brown lines, creating a checkered effect. It has a prominent, rounded head with a red eye and a large, rounded tail fin. Each fish is labeled with a number and a French name, along with a brief description. The illustration is executed in a precise, scientific style, with a focus on anatomical accuracy and detail. The overall impression is one of elegance, artistry, and scientific curiosity.