Gymnotus arapaima (Lake January, Brazil, 16 November 1865), Jacques Burkhardt

Taxonomic classification: animalia--gymnotiformes--gymnotidae--gymnotus arapaima (albert & crampton 2001). Common name: knifefish. Date: 16 November 1865. Dimensions: 6 x 17 cm.. Medium: watercolor on paper. Collection: Harvard University. Gymnotus arapaima (Lake January, Brazil, 16 November 1865)