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The detection and identification of behaviorally relevant signals in the presence of competing signals in the environment is a… Expand Chromosomes of Eigenmannia sp. (7 males and 15 females) collected from the Tietê River in Botucatu (SP, Brazil) were examined… Expand An early stage of sex chromosome differentiation is reported to occur in the electric eel Eigenmannia virescens (Pisces… Expand We investigated the variability of P-receptor afferent spike trains in the weakly electric fish, Eigenmannia, to repeated… Expand Abstract.Chromosomes of a species of Eigenmannia presenting a X1X1X2X2:X1X2Y sex chromosome system, resulting from a Y-autosome… Expand Abstract We present detailed measurements of the electric organ discharge of the weakly electric fish, Eigenmannia sp. These maps… Expand The recent findings in the neuroethology of song perception discussed here point to important ways in which approaching the… Expand Electric fish monitor modulations in sensory feedback from their own electric organ discharges (EODs) to locate moving objects… Expand An analysis of the nucleolar organizer region(NOR) by silver staining of five species of the order Gymnotiformes, Gymnotus carapo… Expand Eigenmannia virescens was observed in aquaria in Guyana, South America, during the non-breeding and breeding seasons. Agonistic… Expand