The natural history of British fishes Edinburgh, W. H. Lizars, 1843, The illustration features a detailed depiction of a fish, specifically a trout, characterized by its elongated body and distinctive coloration that includes vibrant blue and green hues with reddish spots. The larger fish is positioned prominently, highlighting its scales and eye, while a smaller fish is shown beside it for scale. Surrounding the fish is a natural setting, with leafy plant elements adding to the organic ambiance. Below the fish, a note indicates its age, stating it was 'two years old' and remarking on its measurements, enriching the educational context of the artwork.