There was once a fishery of the totoaba (Cynoscion macdonaldi), an endemic fish of the northern gulf, but this fishery does not exist any more.    From Wordnik.com.  [Gulf of California large marine ecosystem] Reference

Cynoscion guatucupa, fishing in the coastal zone less than 50 meters depth in the La Plata River and the Uruguayan-Argentinean common fishing zone.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

'' Cynoscion guatucupa '', fishing in the coastal zone less than 50 meters depth in the La Plata River and the Uruguayan-Argentinean common fishing zone.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference