Transport yourself back to the age of natural history through an artwork from the 18th century that features an engraving by the famous German naturalist Marcus Elieser Bloch on copper plate. Hand-colored with watercolors, the two specimen plate showcases Silurus Batrachus (Clarias Batrachus) along with Silurus Fossilis (Heteropneustes Fossilis).With its fine-lined details, whiskers' intricacies, and accurate portrayal of the dorsal part, this historical piece of art by Marcus Elieser Bloch is sure to lend a touch of elegance and grace to your surroundings.