Ichtyologie, ou, Histoire naturelle, générale et particulière des poissons, A Berlin, Chez l'auteur, & chez François de la Garde libraire, 1785-1797, fishes, Germany, ichthyology, pictorial works, This illustration features a detailed depiction of a marine creature known as the European eel. The elongated body exhibits a mix of colors and patterns, with prominent spots along its back and a smooth texture. It is presented in a side view, showcasing its distinctive shape and features. Accompanying the main illustration is a smaller, close-up view that highlights the eels mouth, revealing its intricate structure and arrangement of teeth. The overall composition emphasizes both the uniqueness and anatomical details of this fascinating aquatic species, making it a valuable reference for understanding its biology.