Background
He was the son of zoologist Antoine Louis Dugès (1797-1838).
He was the son of zoologist Antoine Louis Dugès (1797-1838).
He studied medicine at the University of Paris, and in 1852 emigrated to Mexico.
Alfredo Dugès is largely remembered for his extensive studies of Mexican herpetology. He settled in Guanajuato, where he worked as an obstetrician, also giving classes in natural history at the Escuela de Estudios Superiores de Guanajuato. Dugès published numerous scientific papers in the fields of herpetology, botany, entomology, et al.
At Guanajuato, he was director of the local museum, later named the Museo Alfredo Dugès in his honor.
In Mexico, he described 40 new species of reptiles and amphibians, of which nearly half are considered valid today. As a botanist, he is the taxonomic authority of the genus Barcena (family Rhamnaceae).