[HTML][HTML] Sexual dimorphism in the electric knifefish, Gymnorhamphichthys rondoni (Rhamphichthyidae: Gymnotiformes)

EQ Garcia, J Zuanon - Acta Amazonica, 2019 - SciELO Brasil
Sexual dimorfism refers to morphological differences between males and females of a
species. It may be a result of different selection pressures acting on either or both sexes and …

New species of glass knifefish genus Eigenmannia (Gymnotiformes: Sternopygidae) with comments on the morphology and function of the enlarged cephalic lateral …

LAW Peixoto, MNL Pastana… - Journal of Fish Biology, 2021 - Wiley Online Library
A new species of Eigenmannia is described from the Rio Paraná (the Grande,
Paranapanema and Tietê basins). This new species is distinguished from all congeners by …

A new species of barred Sternopygus (Gymnotiformes: Sternopygidae) from the Orinoco River

KT Torgersen, AM Galindo-Cuervo, RE Reis… - Neotropical …, 2023 - SciELO Brasil
A new species of Sternopygus is described from the Orinoco River of Venezuela using
traditional methods of morphometrics and meristics, and micro-computed tomography (micro …

Hidden Diversity in Eigenmannia (Gymnotiformes: Sternopygidae) Populations from Upper Paraná and Paraguay Rivers

RC Mazetto, LI Ramos, MMR Vieira, FR Carvalho… - Zebrafish, 2024 - liebertpub.com
Eigenmannia is a highly diverse genus within the Sternopygidae family, comprising 30
species. Due to its complex taxonomy, molecular analyses have been crucial for species …

Harmonic and temporal structure of electric organ discharges of the wave-type in Amazonian knifefishes (Gymnotiformes)

LB Kramer - Journal of Ethology, 2019 - Springer
Neotropical, nocturnal freshwater knifefishes of the families Sternopygidae and
Apteronotidae are electroreceptive, and emit electric organ discharges (EODs) of the wave …