Sexual Dimorphism in the Electric Knifefish Sternarchogiton labiatus (Gymnotiformes: Apteronotidae) with a Hypermorphic Snout and Oral Jaws

Maxwell J. Bernt, Aaron H. Fronk, Kory M. Evans, and James S. Albert

Ichthyology & Herpetology 111: 621–633

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