Mormyridae
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The Mormyridae, sometimes called elephantfish, are a family of weakly electric fish in the order Osteoglossiformes native to Africa. It is by far the largest family in the order, with around 200 speci
Bronze figurine of Oxyrhynchus fish, Late Period-Ptolemaic Egypt
Hiodon tergisus NOAA
Campylomormyrus curvirostris
Gymnotiformes
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The Gymnotiformes are an order of teleost bony fishes commonly known as Neotropical knifefish or South American knifefish, which inhabit fresh water. These mostly nocturnal fish have long bodies and s
Black Ghost Knifefish 400
Electrophorus electricus showing lateral line pits
Mormyrus (and Mormyridae in general) developed their electrogenesis independently from Gymnotiformes through convergent evolution