title: M. americanus
text: # M. americanus
  
  M. americanus may refer to:
  
  * Menticirrhus americanus, a kingcroaker species in the genus Menticirrhus
  * Merganser americanus, a duck species
  * Metasiro americanus, a harvestman species in the genus Metasiro
  * Monomitopus americanus, an eel species in the genus Monomitopus
  * Morone americanus, a bass species
  