Apteronotus Apteronotus rostratus Apteronotus galvisi Brown ghost knifefish Black ghost knifefish Ghost knifefish Spatuloricaria terracanticum Tembeassu Sternarchella William N. Eschmeyer Günther K.H. Zupanc Compsaraia samueli Jamming avoidance response Orthosternarchus Electroreception and electrogenesis Gymnotiformes Electric fish Rafael Antonio Curra Francisco Mago Leccia Electric organ (fish) List of data deficient fishes List of vulnerable fishes List of least concern fishes IUCN Red List data deficient species (Chordata) IUCN Red List vulnerable species (Animalia) Kwaza language List of freshwater aquarium fish species