Friday Photospread: The Bizarre Thermometer Knifefish - AMAZONAS Magazine
Photos of Gymnorhamphichthys rondoni · iNaturalist
SciELO - Brasil - Sexual dimorphism in the electric knifefish, <i>Gymnorhamphichthys rondoni</i> (Rhamphichthyidae: Gymnotiformes) Sexual dimorphism in the electric knifefish, <i>Gymnorhamphichthys rondoni</i> (Rhamphichthyidae: Gymnotiformes)
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Gymnorhamphichthys - Alchetron, The Free Social Encyclopedia
Photos of Gymnorhamphichthys rondoni · iNaturalist