Electric eels


Gymnotinae
Gymnotus

Knife Fish


Subfamilies in family : Gymnotidae Ref: Craig JM, Kim LY, Tagliacollo VA, Albert JS (2019)
Phylogenetic revision of Gymnotidae (Teleostei: Gymnotiformes), with descriptions of six subgenera.
PLoS ONE 14(11): e0224599.
http://doi.org/10.1371/journal.pone.0224599