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, The artwork features two meticulously illustrated fish species, showcasing their distinct shapes and colors. On the left is a smaller fish, labeled 'Labrus Sultamatus,' characterized by its elongated body and detailed scale patterns. On the right is the larger 'Labrus Melanopterus,' noted for its robust form and pronounced coloration, with a striking contrast between the darker hues of its back and lighter belly. Beneath each fish is a circular outline, possibly indicating their scale or size reference. The caption includes an inscription in a cursive script, alluding to a scientific exploration of diverse fish species and their habitats.