D. Marcus Elieser Bloch's Atlas ausübenden Arztes zu Berlin Berlin Auf Kosten des Verfassers und in Commission in der Buchhandlung der Realschule 1783-1785. fishes germany ichthyology pictorial works., This illustration features a Silurus glanis, commonly known as the wels catfish. The fish is depicted with a prominent, elongated body and a broad, flattened head, showcasing its distinctive barbed whiskers or 'feelers' that extend from its upper jaw. Its smooth skin exhibits a gradient of colors, transitioning from a deep greenish hue on the back to lighter shades beneath. The pectoral fins are broad and pronounced, adding to its unique silhouette. Accompanying the depiction, the title specifies its common name in English and French, emphasizing its notable presence in various aquatic environments. The illustration is a blend of scientific detail and artistic representation, highlighting the features and beauty of this remarkable