Gilded catfish and streaked mojarra

Ichthyological study of two fish native to South America, including the gilded catfish and the marine streaked mojarra.

Figure 1. Gilded catfish, Zungaro zungaro Humboldt, here styled le Zungaro de la Rivière des Amazones and Pimelodus zungaro Humboldt. Shown in right profile at a scale of 1/7 of the natural size. Found in the Amazon and Orinoco River basins, South America.

Figure 2. Streaked mojarra, Eugresse lineatus Humboldt, here styled le Moxara d’Acapulco and Smaris lineatus Humboldt. Shown in left profile at a scale of 2/3 of the natural size. Found in the Eastern Pacific from the Gulf of California to Colombia.

Inscribed ‘Pl. XLVI Dessiné par Huet, d’aprés des esquisses de Mr. de Humboldt. Gravé par Coutant. De l’Imprimerie de Langlois’, with an explanation to the plates on page 216 including the contemporary taxonomy ‘Pl. XLVI, fig. 1. Pimelodus Zungaro (p.170). Fig. 2. Smaris lineatus (p.185).’

Plate XLVI to Recherches sur Les Poissons Fluviatiles de L’Amérique Équinoxiale; par MM. De Humboldt et Valenciennes. Recueil d’Observations de zoologie et d’Anatomie compare, faites… Par al. de Humboldt et A. Bonpland, volume 2 (Paris, 1811-1833).

Friedrich Wilhelm Heinrich Alexander von Humboldt (1769-1859) German naturalist and traveller, elected a Fellow of the Royal Society in 1815.

Achille Valenciennes (1794-1865) French zoologist.