title: Transition across polymorphic phenotypes observed in a male Sternarchogiton nattereri (Gymnotiformes: Apteronotidae).
abstract: A transition between polymorphic phenotypes was observed within a single male Sternarchogiton nattereri. This individual was initially toothless, but developed into a toothed phenotype characterized by a swollen distal upper jaw and distinctive external dentition. Changes in morphological features were accompanied by shifts in electrocommunication (chirping) behaviour.
authors.affiliation: Department of Biology, Indiana University-Bloomington, 1001 E. Third St., Bloomington, IN 47405, USA. wwho@indiana.edu
authors.forename: W W
authors.initials: WW
authors.lastname: Ho
authors.forename: C R
authors.initials: CR
authors.lastname: Turner
authors.forename: G T
authors.initials: GT
authors.lastname: Smith
mesh_terms: D000819:Animal Communication; D000818:Animals; D003817:Dentition; D004557:Electric Organ; D023702:Gymnotiformes / Q000033:anatomy & histology* / Q000502:physiology; D007568:Jaw / Q000033:anatomy & histology; D008297:Male; D010641:Phenotype
keywords: EOD; Oedemognathus; chirping; polymorphism; reproductive morph; weakly electric fish