     @showCharacteristics ?= false
     @visibleTraits ?= []
 
-    @_addListeners(@dragon)
+    @_addListeners()
     @div = $(domId)[0]
     @div.classList.add 'dragon-view-parent'
     @_injectHtml()

    @characteristicList.innerHTML = out.join('')

  _updateSexLabel: ->
    @sexLabel.innerHTML = if @dragon.sex is BioLogica.MALE then "male" else "female"

  _injectHtml: ->

  setCharacteristicsVisible: (@showCharacteristics) ->
    @_updateVisibility()

  _addListeners: ->
    Events.addEventListener EventTypes.DRAGON.ALLELES_CHANGED, (evt)=>
      if evt.detail.dragon is @dragon
        @_updateClasses()
